I would just be careful hopping back in now as interest rates and low inventory are making it very difficult if you aren't finding your own off-market options to buy.

Just one additional option.  

However, I am unfamiliar with any lenders having traditional mortgage options for anything with a VIN number such as a trailer.

Staging your house well can help you attract more attention from buyers, which ultimately helps it sell faster and maybe for a higher price than an unstaged home (see visual):What Are My Staging Options?

I'm an investor and mortgage broker and have options for loans that go as low as $75,000 and down payments as low as 15%, which makes it easier to stay above $75,000.

I do already have a construction crew run by a friend who fixes anything that needs attention before renting out.

That will start to tell you if rentals are a feasible option for you.

Hey @Lei Wei I'm from Maui and have been in STRs since 2012 but never bought in Hawaii because they are not friendly towards STRs.

I feel like these are my only options:- House Hack: Would I still need to pay the 6% tax rate if I'm getting rental property insurance?

Went over budget and still counting.