You need to measure your center shot. Will take you 1 min. Think your giving the bow tech too much credit in general. If the cams are shimmed correctly and you have good repeatable form you should be very close to center shot and should not have clearance issues.
What bow?
You shouldn't be having cable clearance issues if the rest is set at center shot...
What's your center shot?
I've tested spine aligning with fletching and it does not prevent you from having to nock tune for fixed heads.
It's definitely not too short. Could even be a tad long... your leaned back in your photos. Like Billy Goat said fix your grip and focus on a more squared up stance
Perpetual futures contracts would allow you to do it without having to pick a time to maturity date. Derivative markets are mostly all zero sum so if you’re making money someone is losing it.
The risk in the scenario it goes to zero is the broker your trading the contracts with imo… Which is no...
If you think Bitcoin is 20X overpriced you should absolutely start developing a short position! Would be a great investment for anyone but especially a fella like yourself since you have so much money you'd never be able to spend it all.