So now I'm stuck with trying to decide whether to go all RV Park OR all shipping container and site built tiny houses.

Yes, I had wealthy clients who were all real estate, or all stocks but the majority of the wealthy I met with had a nice mix of the two.

You may be able to work together with someone to provide most or all of the down payment, fund a rehab, or provide some other type of partnership and/or short term moneyAs far as resources go, I can't recommend books that directly speak to your side, but I can provide personal case studies from my own partnerships with private lenders/money partners and I can also highly recommend the book "Raising Private Capital" by Matt Faircloth.

So is it worthwhile to sell some of my properties or all of them here and buy new rentals using 1031 exchanges elsewhere with better cash flow? 

Or, all beneficiaries are charitable interests. 

If you have an inspection contingency, you can negotiate to your heart's content.If not, your options are to either buy the house or walk away and probably lose some or all of your EMD.Bear in mind that you're not buying a new house. 

The two ways to gain this equity is either through a natural market appreciation, which is aggressive in a 1 or 2 year time frame for a duplex, or through forced appreciation.So as part of your plan, you may want to consider purchasing a multi that needs work, fix it up (perhaps with you doing some or all of the work, depending on your skill set), and raise the value that way.

Have you asked your home insurance company whether it covers (some or all of the) liability for the accident?

Welcome back Marc,Vista prints or all kinds of online companies can print business cars and other promo materials.

Answers to any or all question are much appreciated!