The LLC can sign an agreement with the debtor (mortgagor, that’s YOU) accepting liability for the debt, but that’s only between the two parties involved in the agreement.  

Fannie Mae will allow you to transfer the deed to an LLC if you decide to try to go the conventional route, but the loan would still be in your names and you'll need to pay a title company a second time post-closing to do this  for you. 3) I can't speak for the area so no comment there4) If you're self managing, make sure you find vendors you can trust in the area since you won't be able to easily verify if an HVAC guy, plumber, etc. is trying to rip you off and tell you to buy something you don't actually need. 5) Make sure you have clear alignment of goals and a clear operating agreement that spells out what to do if those goals start to not align in the future since you'll be jointly obligated to these properties. 

As others have said have a lawyer draft up the agreement.

Although I wasn’t happy with this agreement because my goal is to evict them as soon as possible, my lawyer told me it was the best outcome we could achieve.However, the tenants didn’t honor the agreement.

The signing parties are "stopped" from saying anything different after they sign the letter.Each Tenant Estoppel Letter states the attached copy of the tenant lease is accurate and was signed by the tenant, there are no other written or verbal agreements, the tenant has paid rent through a certain date, and there is no prepaid rent other than the current month.

Have a strong partnership agreement that clearly defines roles and responsibilities, profit sharing, exist strategy, etc.

And knowing you don't do your diligence, you probably signed something in the agreement with them to not talk **** about them in the open.

Check out https://legaltemplates.net/form/lease-agreement/termination/...They have more options.

They tend to be the ones posting religiously on linkedin the benefits of garbage investment strategies in order to continually feed their business and have poorly drafted operating agreements often with side letters that are really  only necessary to hide from their lenders where their capital is coming from. 

Stick to the lease agreement and landlord-tenant laws—most headaches come from trying to make exceptions.