The main piece of advice I like to give new investors is this, don't get stuck in analysis paralysis.  

The biggest wholesalers are probably sending out anywhere from 3000-30,000 pieces of mail a month. 

Hi- recently was gifted a property in Florida (Lehigh Acres) that my in-laws owned for many years but did nothing with it. Wife and I were thinking about building to eventually rent instead of just selling the propert...

Anyone can put numbers on a piece of paper and the moment they do, they are wrong.

So I understand correctly you want to take a piece of land and develop it with mhp infrastructure (water, power, sewer and roads) then build tiny homes to sell to tenants who will then pay you lot space rent for the home. 

You want to get the interlocking not the glue down, spend some time looking at the different types, the interlocking does take more time and skill to put down (still way easier than tile and wood) but it is essentially waterproof as each piece locks into the others.  

Therefore, I would suggest have a separate LLC own each piece of real estate (and ask your accountant whether to register at a S Corp or other, my clients accountants typically recommend S Corp) and have a separate LLC be the partner for your house flipping venture.For the house slipping venture, the LLC can either be a member of another LLC (we will call it House Flipping, LLC for purposes of this discussion) and your partner can be the other member of house flipping, LLC.

I always say if you have $15,000-$50,000 buy a house, buy a condo, learn from experience, it will be more valuable learning on the job and in the end you have a piece of real estate.   

Hi, I was wondering, if you guys have to make the choice about doing your first real estate development from a piece of land, in which city outside USA you’ll go and why ?

figure that out and the pieces that you don't have - partner with people who do.