r/Costco is a subreddit with 1.6M members. The most common kinds of discussions are money talk and solution requests, and the community frequently discusses costco, hate, struggling, worst, and annoying, and they frequently recommend/review sparkling water, protein bar, and coffee bean.
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Popular Themes in r/Costco
#1
Money Talk
: "Is good exchange rate for Peso and Yen?"
3 posts
#2
Solution Requests
: "Kohler E825 or Brondell CL1700?"
1 post
#3
Pain & Anger
: "brooooo how can someone be so fucken lazy. Pardon me language"
1 post
Popular Topics in r/Costco
#1
Costco
: "The last(?) great Costco coffee bean grinder..."
16 posts
#2
Hate
12 posts
#3
Struggling
9 posts
#4
Worst
8 posts
#5
Annoying
7 posts
#6
Frustrating
4 posts
#7
Bacon Quality
4 posts
#8
Rotisserie Chicken
4 posts
#9
App
3 posts
#10
Shopping Carts
3 posts
Products Discussed in r/Costco
Sparkling Water
138 reviews
#1
Spindrift
4.8★ from 19 reviews
#2
SodaStream
4.9★ from 19 reviews
#3
Waterloo
4.5★ from 17 reviews
Protein Bar
130 reviews
#1
Kirkland
4.3★ from 21 reviews
#2
Pure Protein
4.5★ from 17 reviews
#3
RX Bar
3.8★ from 9 reviews
Coffee Bean
89 reviews
#1
Ruta Maya
4.5★ from 23 reviews
#2
Mayorga
4.5★ from 18 reviews
#3
Lavazza
4.3★ from 9 reviews
Flair Used in r/Costco
#1
[Food Court]
: "Did the thing today, was better than expected"
4 posts
#2
[Clearance 97 Deals]
: "2025 Apple Watch Clearance"
3 posts
#3
[Product]
: "Toy Spider is a big hit with my son"
3 posts
#4
[General Question]
: "Thoughts on Cangshan Knives"
2 posts
#5
[Gas Station]
: "I did that - at my local Costco"
2 posts
#6
[Electronics / Majors]
: "Killer deal on the 85" TCL QM6K Pro TV - $899 in-store and online - All time low price"
1 post
#7
[Pet Products]
: "Kirkland Signature dental chews"
1 post
#8
[Seeking Recommendations]
: "Slides similar to older model of Kirkland slides?"
1 post
#9
[Help Needed]
: "Kohler E825 or Brondell CL1700?"
1 post
#10
[Employee]
: "Anyone working at claims? Need help and input"
1 post
Member Growth in r/Costco
Yearly
+214k members(15.1%)
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About
GummySearch helps people research Reddit communities by organizing activity, growth, themes, and post-level signals into one place.
This page gives a focused view of r/Costco, including current member size, discussion patterns, product reviews, and related communities to explore.
This data is synced periodically so insights stay current and useful for ongoing research.
Last updated: October 2, 2026