Eventually I’d love to get in to apartments, mobile homes or even storage unit facilities but I have to learn to flip over, before I can crawl, before I can walk.

It's difficult here to differentiate between giving good advice and advocating mentorship programs, workshops or courses to advance your one on one activity and thus speed up the learning curve and timeline to reaching and stretching your goals.I personally have gone the journey from DIY wholesaling, flipping, seller-financing SFR and international Short Term Vacation Rental management and then arrived at commercial multifamily and self-storage real estate syndication due to the fact that it offers the maximum scalability, economy of numbers and at some point truly leads to passive, residual income and thus to time freedom and choice.Send me a colleague request to kick the tires, set up a call and get a few burning questions answered in real time, one on one. 

I have a question regarding how to implement extra monthly charges for the use of a parking spot/garage, or storage or other additional items in Los Angeles.

Could I use it as storage or something of that nature to get around it being a commercial unit?

There is this one and another one in Deby NY ( this one has 54 acres and i am looking at either selling it with the old house on it or putting storage units on it) With regards to FL, a loan to build the 36 units is one option or i am working now at entitling the lot then selling , so I am open to either.

Home storage has gotten a good bit of negative press and opinion lately, and, of course, the IRC section 4975 text about "providing services" for your IRA assets is something about which you may want to consult with your legal team. 

Obviously, I'm not an attorney and I haven't verified this with one, but I've heard in my state you can charge a storage fee (equal to a month's rent) for holding their property, charge them whatever amount your lease says for releasing fee, and then add on whatever damages the deposit won't cover.

Converting the back to RV/boat storage and renting the front out.

I'm looking do do flips, lease options, and multi-family, as well as self storage...

It’s a four plex and the garage is being rented out as storage to non-live-in tenants.