You can also check meetup.com or search Facebook for real estate investment groups, clubs, or meetings in your area.

What about Debit Cards attached to a checking account?

Quote from @Sherry McQuage: Make sure to check the zoning to make sure mobile homes are permitted there; check for any hazardous waste designation for the area; will you need to have the parcels surveyed out in order to sell the size you intend? 

As far as checking your accountant's technical competence, you can use this old but still applicable questionnaire:https://www.biggerpockets.com/forums/51/topics/792277-how-to...Other questions that you may want to ask are listed in this post:https://www.biggerpockets.com/forums/51/topics/795929-questi...3.

So I told my tenants I wanted to switch to RentRedi for payments because it was more streamlined than collecting checks and such but then they would be forced to pay the $1 transfer fee.

Did you check to confirm they filed a form d with sec?

You picked a great community to join.. have you checked out local comps to gauge the market vibe yet?

Trustworthy property managers can make or break a portfolio, and I’ve found that vetting them carefully—checking their reviews, local reputation, and how they handle tenant retention—is crucial.

The inspector wanted me to add 2 screws to anchor the condenser and he did check for leaks at the gas connection (the gas connection that was flagged was decades old and I questioned if was before a permit was required but city stated it was up to me to prove that it was there prior to permit requirement).

@Mohit Gupta  depending on number of occupants your regular insurance can cover it, read the policy, ours covers two roomers.