I hear you. But to me, caps especially are parts that you pretty much have to replace periodically because they naturally wear out . Like breaks, belts, and tires, you can push 'em but then you risk them blowing at an especially inopportune time and taking other parts out along with them.
Disclaimers: I'm happy to share whatever relevant gear knowledge or experience I have. Genuflection/payment/proof of worthiness neither sought nor accepted. I don't design, build, market, sell or endorse for pay any new music product or service. I occasionally sell personal used gear. I am an unpaid endorser of SoundScaper Productions and Godfrey Daniels Guitarworks.