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. 5 W1 B* a/ \# w/ M" F0 ? $ n% u, p, K Qof course, this all depend on how long you plan to live in this house too.0 Q& x9 G0 q4 O5 p0 @