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. / O% z. ^# P; { 3 u- h% O# C9 ]$ V+ F* }3 @of course, this all depend on how long you plan to live in this house too.7 ~% ~- E2 ] D4 @ H