if you're planning to spend $ on the carpet (surface layer), then you should plan to spend $$ on the under layer. a good under layer will let your carpet last a lot longer. when you walk on carpet with good under layer, you'll feel a lot more comfortable too. & H& D5 v% q% T/ h: S. Y
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of course, this all depend on how long you plan to live in this house too. 4 y' K6 Q0 D9 f" d7 \$ L+ m