You May also word your timeframe as “until closed” ( as another closing “insert” ) in additional remarks area....but not on the same contract where you have stated an exact date or days.....and as always ( all sellers ) must initial special remarks that you insert...to show agreement and acknowledgememt.You’re on the right path...just remain confident with all parties of your transactions....because you are the facilitator.

Without knowing the location, condition and desirability of housing and future it is not possible to give any commentary remarks.

I agree with Charlie MacPerson's reply regarding listing remarks, but if you like writing about real estate you could look into writing blog post articles for real estate agents.

@John Thoma The cost of sales and income tax on capital gains will be very unkind to you.

If you have to compete with other properties that may have in unit connections, a laundry room that accepts digital payments, is clean, safe, well lit and with properly maintained equipment can attract and retain residents.I welcome your comments, questions and remarks. 

It can elevate one's consciousness from a fixed understanding of earning money and paying bills, to truly comprehending passive income and how to go about achieving this remarkable lifestyle change.

It can elevate one's consciousness to a fixed understanding of earning money and paying bills, to truly comprehending passive income and how to go about achieving this remarkable lifestyle change.

Echoing the previous remarks, you should consult with an accountant and you will likely set up an LLC, but don't do so until you actually get a contract. 

As someone has remarked above, your due diligence will be vital. 

If selling the property, I would make sure the listing had the Appraisers square footage listed, note the variation in the Agent Remarks, and provide proof of additonal SF to any potential buyer.