The vocabulary, the math, and the rules of health insurance — without the jargon. Networks, EOBs, prior auth, claims, HSA/FSA/HRA, and how to actually use your plan.
Health Insurance 101
Health Insurance Terms 101
Premium, deductible, copay, coinsurance, out-of-pocket max, the five words that determine what you actually pay.
How to Compare Plans Side-by-Side
The five-number framework that beats premium-only comparisons and reveals the plan that's actually cheaper for you.
How to Read Your EOB
How to read an Explanation of Benefits, what it really shows, and whether your provider billed you correctly.
Network Types: HMO, PPO, EPO, POS
The four network types, what each letter combo actually means for referrals, out-of-network coverage, and your doctor list.
In-Network vs Out-of-Network
What happens when you leave the network, the federal No Surprises Act protections, and the gaps that still bite you.
Provider Search 101
A three-step verification process to confirm your doctor is in-network before you book, because directories are wrong 30 to 50 percent of the time.
Prior Authorization Demystified
What prior auth is, when insurance requires it, and how to navigate it without a surprise denial.
Claims & Appeals: How to Fight Back
What to do when insurance denies your claim, the four levels of appeal, and how many denials actually get overturned.
Coordination of Benefits
When you have two plans, who pays first, the mechanical rules that decide primary vs secondary and save you thousands.
Surprise Billing Protections
What the No Surprises Act covers, what slips through, and how to push back on a balance bill that shouldn't exist.
HSA, FSA, HRA: The Health Tax Accounts
Three tax-advantaged health accounts, very different rules, and which one (or combination) actually saves you money.
Pharmacy Savings Cheat Sheet
Seven moves the pharmacy industry doesn't volunteer, cash prices, coupons, mail order, and manufacturer assistance.
Mental Health Coverage & Parity Act
What your health plan must cover for mental health and substance use under federal parity law, and what slips through enforcement gaps.
Pre-Existing Conditions Coverage
Which plans must accept pre-existing conditions, which still don't, and how to shop accordingly.
Marketplace vs Private Market
How to choose between ACA Marketplace and Private Market coverage based on subsidies, health, and your situation.
Medicare for All: What It Would Cost You
The household math on Medicare for All, what it would change about your premium, taxes, and care access.
Have your basics down? Time to build a plan.
Lulu turns everything on this page into a personalized plan comparison — no jargon, no sales pressure.
Start with Lulu →















