Supportive interaction with others costs us virtually nothing, enhances respect for the landlord, and helps those who are involved in strife to bring out their better character.Since expressions of empathy, hearing out the person, and providing feedback cost only time, taking the opportunity to do so is good human relations, good landlord relations, and good business. 

Express that you don't mind taking-over a headache however you will not overpay for it.I hope this helps and makes sense.

You need to solve a problem they have, not just express interest in buying.  

Furthermore, my sister has expressed an interest in joining me in my real estate endeavor.

@Brandon Battle If it wasn’t for the “life choices” made by Chris & Terrance to protect and serve our country, you could have potentially been denied the right to express your “hallway monitor” opinions regarding the acceptable way for an new member to introduce themselves and the correct way for a member to welcome them to the forum.

For example: A quotation by sub-contractor to the main contractor and an offer to lease.An offer does not include ballpark estimates, requests for proposals, expressions of interest, or letters of intent.An offer will lapse:when the time for acceptance expires;if theoffer is withdrawn before it is accepted; or after a reasonable time inthe circumstances (generally the greater the value of the contract, thelonger the life of the offer).AcceptanceOnly what is offered can be accepted.

As @Doug Merriott and @Sam Jones expressed, I'm not an authority... just a guy who loves real estate and people.

If the bank expresses they may exercise the Due on Sale Clause in the case of a transfer into the LLC, you can also go the route of using a land trust as outlined in this article.

We've had some college girls, referred by our babysitter, express interest in renting.  

She has expressed it a few times that she's really interested in my room, however, my gut is telling me to not go with this one because of these circumstances.