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. $ P( s! c& V& w: Y2 x 2 B* H% I2 m6 _, z7 Z" j1 E8 qof course, this all depend on how long you plan to live in this house too. ; B3 A: S+ L) L" ]# F7 ]% B0 M