If you have a net worth to protect, I would just work with a proper asset protection attorney to discuss what you need to do.

EDIT: To clarify, have your agent schedule a showing and go through the proper steps to go in vacant houses, don't just "go into vacant houses"

Is it a good idea to buy them lunch for the week, in the form of a gift card?

I have SFHs and a few small apartment complexes, but this would be a first for me.Quick run-down:45 lots, with no room to expand18 full - 15 POH and 3 paying just lot rentPublic Utilities, proper zoning, paved streetsSmall town, around 45 minutes from any sizable town; around ~2,500 residents that are mostly blue collar, lower incomeI believe lot rent should be around $250-300 per spot once full and stabilizedCurrent asking price is around $200k, with expenses running around 35-40% of gross incomeMy initial plan would be to give all POH to the current tenants if they agree to re-sign lot leases and update all utilities and other facilities as necessary in order be prepared for additional homes being moved in.  

@Colin Youn You might want to read these: How to Effectively Conduct Joint Venture Agreements as a Real Estate Investorhow-do-i-properly-construct-a-purchase-with-a-partnership591376-create-an-llc-for-first-partnership-best-way-to-do-so526244-taking-on-partner-s-and-limiting-our-liabilitesPrepare your partnership with these questions first:questions-for-capital-partners/real-estate-partnership-questions/questions-ask-investment-partners/If you decide to proceed, I think you should have an LLC formed going in a limited partnership with your(s) partner(s) LLC.

I need to create a new bank account and credit card dedicated to the new business3.

Do they have all the programs to properly take care of all their needs?

I live in the East side of Tucson and since moving here in June of 18, notice that investors buy these houses at a price that doesn’t allow enough $ for a proper rehab.

Properly screening them.

I'm curious as to best practices people might use to evaluate market value properly.