HDHP vs. PPO Math (2026): Deductibles, HSA Triple-Tax Advantage, and the True Break-Even Point

Every autumn during open enrollment, corporate professionals and tech workers face the same perennial dilemma on their benefits portal: Should I choose a High Deductible Health Plan (HDHP) with a Health Savings Account (HSA), or stick with a traditional Preferred Provider Organization (PPO) plan? Human psychology naturally gravitates toward low deductibles and predictable copays. Handing … Read more

Airline Miles Value Math (2026): Calculate Net Cents Per Point

Airline miles do not have one guaranteed cash value. The useful value is the cash expense you would realistically avoid, minus award taxes and fees and other relevant trade-offs, divided by the miles used. This article uses transparent hypothetical examples. It does not claim a personal 24-month redemption audit, a measured industry-wide devaluation rate, or … Read more

Costco Bulk Buying Math (2026): Spoilage, Storage, and a Practical Shopping System

Bulk buying saves money only when your household uses the product before it spoils and the lower unit price exceeds any storage, waste, and extra-trip costs. This guide turns that decision into a repeatable calculation instead of assuming that every warehouse-size package is a bargain. The U.S. Department of Agriculture estimates that food loss and … Read more

FSA Use-It-or-Lose-It Guide (2026): $3,400 Limit, $680 Carryover, and Eligible Expenses

A health Flexible Spending Arrangement can reduce the after-tax cost of qualified medical care, but unused money may be forfeited. The practical rule is not simply “spend everything by December 31.” The employer’s written plan determines whether it offers a carryover, a grace period, neither option, and a separate deadline for submitting claims. This guide … Read more

T-Bills vs. HYSA (2026): State-Tax Math & Auto-Roll Guide

Rate-check update (October 5, 2026): This comparison does not assume a current yield. Verify the auction/investment yield on TreasuryDirect. The IRS confirms Treasury interest is federally taxable but exempt from state and local income tax in Topic 403. If you hold emergency savings or short-term cash in a High-Yield Savings Account (HYSA), compare its current … Read more