However, I’d like to have a space of my own before living with others again (I plan to house hack again with my next property).I’m seeking advice on how to move forward, as I need to consider things like utilities, taxes, landlord/umbrella insurance, and managing the property, especially with someone renting my garage.Specifically, I’m curious about renting out individual rooms and living on my own for a little while.

.; and capital to pay for options, marketing, legal counsel, accounting, tax advise, etc.  

If you need financial help, ask under the "Finance, Tax, and Legal" forum.

There are two reasons this is a bad idea.Investing with an SDIRA (assuming it is not a Roth) will often result in paying significantly more taxes. 

There are risky, but high return options like QQQ which grew 27% over the last year or on the other side / safe end, there are super secure short term US government bonds like SGOV which pays out about 4.5% in dividends. 

I want to cancel TODAY and get a refund of the $390 + tax membership fee. 

Tax structuring and LLC advice you can get for a paid fee too.

Nothing you mention is "ordinary" and you should charge for all of it. dodged a bullet there thats a very good price take it from the security deposit and call yourself lucky. 

Together with it, i have a mortgage free apartment that serves as financial security. 

Not only were tax shelters stripped of their tax deferral capabilities, but they were stripped of it RETROACTIVE, allowing the IRS to recalculate tax shelter investors income going back 7 years.