I've gotten by on my guitar fetish mostly from gifts, saving random parts and building other ones from those parts, selling others for a good price and buying others for a bargain. I estimate that with everything I have at current, I probably have about $8000 lying around, not that I've actually paid that much for it all. Most of them are not name brand but are functional. I had a few gems I let slip through my hands too though
Then I have a scooter project I'm perseverating on. I recently totaled up everything I spent on it to date, and I came out at the same I could have gotten a completely restored vintage Vespa with an extra complete engine for. That one I ended up funding from the sale of 2 of my other bikes, but when I think of how that interest started with a bike somebody was throwing away it's not all that bad
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Let's go on out and take a moped ride, and all your friends will thing your brain is fried, but you can't live your life too dirty, 'cause in the the end you're born to go 30