Santarelli, in two YouTube videos explains the promissory notes investment opportunity (Link), and mentions some of his other ventures including, “cannabis and crypto investing” and producing/co-producing six new Broadway musicals.

It would be a shame if the offending neighbors got woken up at night by loud music coming from speakers held under their floor.

Where do you store your music and photos?  

And when a rising tide is lifting all boats, groups that amplified their results by using risky high leverage could score some massive returns until the music stopped, then will subsequently struggle to keep the rest of their portfolio out of foreclosure.

Since you're going for low cost and volume, you'll need to solve the music industry problem of one hit for dozens of failures. 

It also helped that we got a connection from a local bar owner that needed to book musical guests from time to time. 

I will be making $55-$60/h by the time I’m certified at 21/22.I am also looking into side hustles to increase my income such as flipping cars, reselling etc.As of right now I have around 8k saved, and 5k invested in stocks.Obviously I cannot buy a property with just a few grand right now, but basically I just want to ask for any advice or tips you would give to me or your younger self when you started.I usually listen to audio books on personal finance and business while working instead of music to further my knowledge.Any sort of advice is welcome, books, podcasts, methods to learn about.

that caused me to turn to music, I haven't listened to music while working out or on a walk or working in the yard for years, its always been podcast time, in the interest of maximum efficiency.  

This campus hosts a large Magnolia home goods store, high end furniture store, cupcake bakery, coffee shop, gardening shop, live music concert venue, large grass area with toys and balls for kids to play with, an open plaza with eight food trucks, a small baseball field (that Babe Ruth once played on and families can now play on for fun), a restored historic chapel (the oldest chapel in Central Texas), and six boutique shops with men, women, and children's products.

Have cash buy their smokes, lunch, and their music.