Personal finance

30-Day Rule for Impulse Spending The personal finance habit of waiting 30 days before purchasing non-essentials, and the psychological mechanism that reduces impulse buying.

401(k) Contribution Limits for Self-Employed Owners Self-employed owners with a solo 401(k) can contribute as both employee and employer, allowing them to save up to roughly double the employee-only limit by combining salary deferrals and profit-sharing contributions.

401(k) Early Withdrawal Penalty Exceptions Complete guide to IRS-approved 401(k) early withdrawal penalty exceptions, including hardship, SEPP, and Rule 72(t) — when the 10% penalty is waived.

401(k) Loan Rules: Limits, Repayment, and Risks Learn 401(k) loan limits, repayment terms, what happens if you leave your job, and the tax implications of borrowing from your retirement plan.

401(k) Match A 401(k) match is an employer contribution to a 401(k) plan that is contingent on the employee making their own contribution. It is typically offered as a percentage of salary.

401(k) Plan A 401(k) plan is an employer-sponsored retirement account that allows employees to contribute pre-tax income, often with matching employer contributions. It is the primary retirement savings vehicle for US private-sector workers.

403(b) Plan A 403(b) plan is a retirement account available to employees of tax-exempt organizations (schools, nonprofits, hospitals). It functions similarly to a 401(k) but with slightly higher contribution limits and less regulatory burden.

403(b) Special 15-Year Catch-Up Contribution Rule The 403(b) 15-year catch-up rule allows employees with 15+ years of service to contribute extra beyond standard catch-up limits.

403(b) vs 401(k): Key Differences for Employees 403(b) and 401(k) plans both offer retirement savings for employees, but differ in investment options, vesting, employer matching norms, and which employers can offer them.

457 Plan A 457 plan is a retirement account available to employees of state and local governments and some nonprofits. It allows high pre-tax contributions and unique withdrawal flexibility.

529 College Savings Plan A 529 plan is a state-sponsored investment account designed to help families save for education expenses. Contributions grow tax-free, and withdrawals for qualified education costs are tax-free.

529 Plan Beneficiary Change Rules Which family members qualify as successor beneficiaries and how to change 529 plan beneficiaries without triggering taxes.

529 Plan Investment Options Explained Age-based glide paths, static portfolios, and self-directed options inside 529 plans—how investment choices work and what the annual change limit means.

529 Plan Withdrawal Penalties for Non-Education Expenses 529 plan earnings withdrawn for non-qualified purposes face a 10% penalty plus income tax; contributions return tax-free but earnings are fully taxable.

529 Superfunding and the Five-Year Gift-Tax Election Learn how 529 superfunding leverages the five-year election to front-load large contributions while bypassing annual gift-tax exclusion limits.

529-to-Roth IRA Rollover Rules SECURE 2.0 permits unused 529 plan funds to roll into a Roth IRA. Learn the limits, the 15-year seasoning requirement, and key eligibility rules.

60-Day IRA Rollover Rule The IRS deadline requiring funds from an indirect IRA rollover to be redeposited within 60 days, or face taxes and penalties.

72(t) Distributions A mechanism allowing penalty-free IRA withdrawals before age 59½ through substantially equal periodic payments.

72(t) SEPP: Three Calculation Methods Compared IRC 72(t) lets you withdraw from an IRA before 59½ without penalty using three methods: RMD, fixed amortization, or fixed annuitization. Each produces different payment amounts.

ABLE Account A tax-advantaged savings account for people with disabilities that preserves eligibility for means-tested government benefits.

Accidental Death and Dismemberment Insurance A supplemental policy paying a scheduled benefit when accidental death or loss of limbs or senses occurs.

Actual Cash Value vs Replacement Cost in Homeowners Insurance Actual cash value policies deduct depreciation from claims; replacement cost policies pay to rebuild with new materials. Understand the tradeoff.

Actual Cash Value vs Replacement Cost in Renters Insurance Understand how depreciation reduces payouts under Actual Cash Value coverage and why Replacement Cost coverage often provides better protection for belongings.

Adjustable-Rate Mortgage An adjustable-rate mortgage (ARM) has an interest rate that is fixed for an initial period (3–10 years) and then adjusts annually or periodically, often resulting in higher payments over time.

After-Tax 401(k) Contributions and the Mega Backdoor Roth How some 401(k) plans allow voluntary after-tax contributions beyond the pre-tax limit and how those funds can be rolled into a Roth IRA.

Annual Budget Review Year-end assessment and adjustment of personal budget based on actual spending and changed circumstances

Annual Cost of Pet Ownership: Budgeting for Every Expense Pet ownership costs include routine vet care, food, boarding, and emergencies. A practical framework for budgeting annual expenses so surprises don't derail your finances.

Annual Gift Tax Exclusion The per-recipient amount an individual can give tax-free each year without using their lifetime gift or estate tax exemption.

Annual Home Maintenance Budget Guidelines for budgeting home maintenance annually: the 1–2% rule, adjustments for age and condition, and how to build a maintenance reserve.

Annual Percentage Rate The true cost of borrowing expressed as an annualized interest rate that includes all fees and interest charges.

Annuity Surrender Charge Period: What It Costs to Exit Early Understanding annuity surrender charges: how the declining fee schedule works and what you need to know before locking in a deferred annuity.

Annuity vs Life Insurance for Retirement Income Compare annuities and permanent life insurance as tax-advantaged income vehicles: income guarantees, death benefits, and liquidity trade-offs for retirees.

Anti-Budget A minimalist financial approach that tracks only your savings rate and ignores granular spending categories entirely.

Asset Location Strategy Strategically placing investments in taxable versus tax-advantaged accounts to maximize after-tax returns and minimize lifetime tax drag.

Assumable Mortgage: How It Works and Who Qualifies Learn how assumable mortgages work, which loan types allow assumption, and what qualification requirements the buyer must meet to take over the seller's loan.

Authorized User Credit Building How becoming an authorized user on someone else's credit card can boost your credit score and what lenders actually look for in this strategy.

Authorized User Removal: Credit Score Impact What happens to credit score when an authorized user is removed: account history loss, score drops by 20–100+ points, and timeline for recovery.

Auto Insurance Auto insurance covers damage to your vehicle and liability if you injure someone or damage their property while driving. It is legally required in all states and is a major household expense.

Automatic Enrollment A plan design that opts employees into 401(k) contributions automatically, relying on behavioral defaults to boost participation.

Automatic Savings Plan Recurring automatic transfers that remove decision friction and systematically move income into savings.

Backdoor Roth A backdoor Roth is a strategy for high earners to contribute to a Roth IRA by contributing to a traditional IRA (non-deductible) and immediately converting it to a Roth IRA, bypassing Roth income limits.

Backdoor Roth IRA: How It Works Step by Step A step-by-step guide to the backdoor Roth IRA: making a nondeductible Traditional contribution and converting to Roth to bypass income limits.

Balance Transfer Moving credit card debt from a high-rate card to a promotional-rate card, offset by transfer fees and the risk of accumulating new debt.

Balance Transfer Fee Breakeven Calculation Calculate whether a balance transfer fee is worth it by comparing the upfront cost against interest savings during the promotional period.

Beneficiary Designation Naming heirs to receive retirement accounts and insurance proceeds outside of probate.

Best Age to Do a Roth Conversion Roth conversions are most cost-effective during low-income years: career gaps, early retirement, or just before RMDs begin.

Biweekly Budget Method A budgeting system aligned to biweekly paychecks, with strategies for managing the two three-paycheck months per year and keeping spending stable across variable income timing.

Biweekly Mortgage Payments: How Much Interest You Save Switching from monthly to biweekly mortgage payments results in one extra payment per year, reducing total interest and loan duration. See the real savings.

Bridge Loan for Home Purchase A bridge loan for buying a home is a short-term loan that lets you close on a new property before selling your old one, eliminating contingencies.

Brokered CD vs Bank CD Brokered CDs differ from bank CDs in how they're purchased, traded, and liquidated. Understand the yield, safety, and exit-cost tradeoffs.

Budget Automation Strategy Using automatic transfers and bill-pay to remove friction from budget enforcement, turning recurring expenses and savings targets into passive routines.

Budget Buffer: How Much to Keep in Your Checking Account A budget buffer is a safety cushion in your checking account that prevents overdrafts and late fees. Learn how much to keep based on your spending variability.

Budget Categories Hierarchy A framework for organizing spending into multi-level categories, from broad buckets to granular line items for tracking and decision-making.

Budget Category Percentages by Income Level How recommended spending percentages for housing, food, transportation, and savings shift across income levels.

Budget Deficit (Personal) When household spending persistently exceeds income, creating a structural gap that erodes savings or forces borrowing.

Budget Line Item vs Category Grouping Budget line item vs category: choose granular tracking of individual expenses or broader groupings based on spending personality and oversight needs.

Budget Slack An intentional cushion of unallocated funds built into a budget to absorb small surprises without derailing financial plans.

Budget Surplus (Personal) Monthly or annual positive cash flow from budgeting where income exceeds expenses.

Budgeting During the Home-Purchase Savings Phase How to restructure your budget while saving for a house: maximize down-payment savings without eliminating all discretionary spending. Practical strategies for the accumulation phase.

Budgeting for a New Baby Breakdown of first-year baby costs and how to restructure household budget for childcare, consumables, and one-time setup.