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. * M% D/ S6 S3 V9 G' t! x' u6 E , n0 {0 n& c0 z1 i5 i3 j5 Mof course, this all depend on how long you plan to live in this house too.3 I3 i2 m* O2 Y: Q. z: Q