Quote from @Francisco Solano: I suggest you ask a business attorney in your state for this basic template.

Lenders or investors who have short lock up periods but have years of experience feeding their business with new capital would give me more comfort but anyone who is just starting and is promising a rate of return or return of capital in a set period of time would be alarming because they very well could be reliant on fresh capital to make good on that promise and that usually ends poorly.

., They will be instrumental to your business. 

Check out the STR forum where you'll find some great information and will see questions and answers from those who have successfully scaled STR businesses. 

This arrange that you will have will likely be a headache(major assumption on my part).First - Do not do business with a friend. 

It is the cost of doing business.

@Joaquin Camarasa That's right, it works like any other business where you can deduct all the costs first. 

They do not take into consideration the revenue from the STR business as part of the selling price.So if comps say the duplex is worth 500k, then it is worth 500k.

I run Forged Home Buyers, a San Antonio wholesaling business, and my business partner is an agent with Virtus Realty. 

I have known exactly one in my 10 years in the business.