Here in Buffalo, NY I am happy to get BB for $3.99/lb. Spares aboot (eh?) a buck less.
But, I have found that the cut-rate grocers (Aldi, Sav-a-lot) sell very thin spares for $2.79/lb or so. After trimming, these will Q up very much like wider babys for less $, plus you can save the trimmings...