You'll want to make sure you understand the K1/tax filing implications because if you own very small piece of let's say 10 properties in 10 different states you would potentially receive 10 K1s (one for each deal) and 'may' have tax filing requirements in 10 states. 

I'm hoping I can get some tips or pointers from anybody with experience in land development or buying land off tax auctions.

Principle, interest, property taxes, property insurance, HOA fee, repair reserve?  

I'm aware this will hurt my credit for a long time and I am willing to live with that.

You can create sub-accounts for each property and create virtual credit cards you can assign for use with certain properties or with certain providers like your cleaners or handyman.

Question: If we move the house to a different location vs demolish how  would this affect the 1033 and capital gains tax.

When applying for a loan for new construction, banks typically look at your credit history, income, and assets to determine your eligibility.

Issue with the line that you will run into is you will be paying for unused credit fees.

What I did was a Business Line of Credit on all of the properties.

It is too complicated and expensive to accept credit cards on every machine.