Costco $100 Coupon 2026 — How I Saved $100 on Groceries in Austin TX

Last month my Costco bill was $312. I’m Sarah, Austin TX er mom of 2 kids. Cheese, chicken, diapers — sob niye bill dekhe matha ghuray gelo.

Then I found the Costco $100 Coupon program for 2026. Tested it last week at Costco South Austin.

I’m not Costco employee. Just a mom sharing what actually worked.

How I Found the Coupon

I was Googling “Costco deals Austin 2026” when I saw texasmomblog come up. Searched “texasmomblog Costco coupon 100 2026” and clicked first result.

Eligibility check was 60 seconds. No membership number needed first step. Just zip code 78745 + household size.

I put Austin zip code, household of 4.

Who Qualifies Fast in 2026

From the form I filled, these groups get priority:

1. Austin + Texas residents
2. Costco membership 6+ months old
3. Household income under $55k/year
4. Families with 2+ kids

If you shop at Costco South Austin, Round Rock, or Pflugerville — approval is faster.

My 3 Steps to Get $100 Off

Step 1: Google “texasmomblog Costco coupon 100 2026” Step 2: Enter zip code 78745 and check if your membership qualifies — 60 seconds Step 3: If approved, get digital coupon code by email in 5 minutes

I used mine next day. $100 off my $312 bill. Paid only $212. Works on groceries, household items, even gas at Costco.

What You Can Buy With It

Groceries ✅ Diapers & baby items ✅ Household essentials ✅ Costco gas ✅ Electronics under $500 ✅

Code shows on phone. Cashier scans it at checkout. Super easy.

Real Talk From Austin Mom

Look, I thought it was fake too. But $100 is $100 when Costco prices keep going up.

2026 budget is limited. Last month they paused new applications for 1 week. So if you’re in Austin and have Costco membership, check now.

Comment your zip code if you get stuck. I’ll reply. Austin moms gotta help each other 💪

Disclaimer: I’m not affiliated with Costco. Results vary by location and membership status.

Tags: Costco, Coupons, Austin, Personal Finance, Money Tips