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Re:Tell HN: How we bootstrapped to the #1 rated mattress on ... by dangrossman on Friday December 13, 2013 @10:55AM (#6901127)
Foam mattresses tend to deform and stay deformed after only a few years of use; the foam just doesn't re-expand all the way. Spring mattresses are warranted against more than minor deformation, not just defects at the time of purchase. If you buy a name-brand (Serta, Stearns & Foster, etc) mattress and after 5 years it's sagging 4" In the middle, you make a warranty claim and get a new mattress.
Re:Tell HN: How we bootstrapped to the #1 rated mattress on ... by chockablock on Friday December 13, 2013 @12:09PM (#6901585)
Have you had to use your mattress warranty? When I looked into it most warranties were pro-rated, required that you followed their mattress maintenance schedule, customer had to pay for inspection, 'normal wear' was not covered, etc, etc. This article [1] claims that actual useful lifetime of a mattress is around 1/3 to 1/2 of the warranty period.

(I ended up buying 2 awesome, cheap, non-brand name, made in the US mattresses from Restonic, which are still going strong after 5+ years).

[1] http://www.sleeplikethedead.com/mattress-warranty.html

Re:Tell HN: How we bootstrapped to the #1 rated mattress on ... by bradleyjg on Friday December 13, 2013 @03:52PM (#6902838)
If I can buy a product for 10-25% of the cost that lasts 33% as long, I've come out ahead.