Of course, boyfriends/girlfriends happen so just have to be mindful if your tenant decides to move someone in without permission.

Potential solution: Get business related insurance (either through rental or umbrella), and town permission to run a business here.3) Not being entirely truthful of questionnaire when asked about history.

From what I have read they can actually go to court and get a court order granting them permission to foreclose on active duty military personnel.

You can only collect rent from one person at a time, so if the old tenants rented it until July 31, but move out (and have paid rent) July 15, you could (with their permission) let the new tenants move in July 21. 

When making an offer on occupied property, I highly recommend you include a clause that the seller is not allowed to make any changes to the leases without your prior written permission.

Once we have spent time identifying details that affect them, I am given permission to buy for them without them having to visit.

The bank says we need to provide that person's permission to open up a CD in the name of the LLC. 

If it's an auction we have just dealt direct with the auctioneer.Maybe on your first deal you have an attorney do what you call "dirty work" but the best way to learn is to deal with the owners directly yourself, get permission to deal with the bank and execute the transactions on your own. 

I think it's something like "supplemental lines"  where those providers fall outside the normal providers somehow - which gives them price permissions to charge more for their product - but at least you get the insurance.  

Its too easy to violate laws by asking inappropriate questions or by not disclosing how you will use the information or by not getting the applicants explicit permission to get background and credit reports.