Not many people spend big money! Some people do to get the maximum MPG but most of us just do what we can for free or really cheap to get a few MPG's. And the biggest is free and that is driving smarter.
I have spent like $20 and that was on wire, switches, duct tape, zipties and spraypaint. so I'm already $520 in the hole. But wait! I used to drive my work van around that got 15MPG. so I'm actually like $1500 ahead already. So I actually could go and do a bunch of stuff to break even. But I won't because I have already spent it on craft beer and E-juice!
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