Another way to ask this is what is your default rate.

I have two properties which at 10% fee will be around $35K.

What are the fees?

Attorney’s Fees; Collection Related Costs; Jury Waiver.

I'm constantly juggling the rates for my Airbnb listings based on what my competitors are charging. 

2. don't use an appreciation rate.

Here is the source for the commission rate, right from the Sitzler NAR lawsuit judgement (bold text added):"In addition to training, Plaintiffs have presented expert testimony showing that Section 2-G-1 had the effect of stabilizing commission rates.

In this case, you can use Rental Income from the units that you will not be living in and that income can count to help you qualify.FHA rates are going to be lower than conventional for you almost always, but FHA does have a 1.75% funding fee. 

Quote from @Dinesh Nair: I am a Canadian investor with a US corporate entity- we closed on our first property and now working to find financing through a lender… however rates keep changing all the time.. is there a site to track rates ? 

A fee well spent for some types of investors.