So you get more deals than you can do without spending a dime on any business cards, letters, or anything else? 

Create a written policy for yourself, sample letters, forms, or whatever else may be needed.

Even Hard Money lenders (with 10% to 12% interest rates might have issue with that) PROPOSAL MADE and SEEKING OTHERS:Have the Husband agree to SELL her his 50% interest in the House on TERMS to the WIFE who wants to STAY in the home and where he would carry back a WRAP AROUND  Note - lets say for $1,425,000 at 7.0% with I/O INTEREST ONLY repayment terms  of $8,312.50 monthly and a 36 Month Balloon payment when the entire $1,425,000 would be due.

It's the other 3 letter acronym. 

They were able to get moving much faster because they had access to a great website, forms, letters, and even policies and procedures.

Send out a letter reminding tenants what is and is not acceptable.

Get a partner, family or hard money loan...get creative - send this guy a letter.

While it’s true that most agents gauge a potential client’s seriousness by the existence or absence of a pre-approval letter, I think you can ease concerns by being honest with agents and voicing a preference to receive a lender recommendation from a trusted partner - which is what your agent should be from beginning to close.

Have a lawyer send the cease and desist letter, with the threat that she will be responsible for your lost rental income if she continues to harass your guests and impact your bookings. 

Once you have that letter you can use an LLC formation document template to create the LLC and register it with the corporations division of your state or jurisdiction.