$ is secondary when you're trying to atch up the Durometer of the bushing. The idea is to properly prioritize why you choose a mod vs. personal predicament: if you have to thinktwice about BUYING anything, then don't buy it. If you can afford to, you won't have to think twice.
A central idea to the Mod Path: don't mod due to sales...it'll screw you eventually. These guys, myself included, aren't made of money: we just budget daily so when a mod comes, we don't have top ask A or B..we buy A, B and C, if it makes sense.
+1