He told me that he owned a couple large mobile home parks in town and that's what started everything for me.

Would this be something different from what you can Google and find other articles on? 

However, I was trying to think what is a good way to go with it. 

Also, they are local to me.

They wanted me to append the 3 plans into a single document.

getting tighter but things may be changing soon depending on what the new prez does.  

I offered them 10% down, interest rates favorable to me, amortized for 30 years, but with a balloon payment after 3-5 years.

I think there is a balance.. to me the folks I see that seem to work far more than others are like the folks I saw at Google headquarters when I was invited there for a presentation.

In Columbus, you can still find the 1% rule and there's amazing appreciation potential due to how much population growth, job growth, and companies moving/developing there (recently Anduril just announced another 4,000 jobs coming to Columbus Ohio on top of Intel, Google, Amazon, FB, Nationwide, Ohio State University, etc.).

as a flipper, with the participation of a wholesaler and a hard money lender, what actions should I take BEFORE I close and buy a house (tell me step by step please because i dont really understand the sequence of events) and also please tell me when to do due diligence to make sure how much does it cost to renovate the house and is it worth buying this house?