If that is the role you are looking to file I'd think you would be paying between 5-10% of project cost.If you are actually looking for this PM to hire subs, write contracts, schedule, order materials...essentially acting as a GC....I would expect you to be paying between 15-25% of the project costs.I can't speak specifically to your market, but those are some ball park percentages based on my experience here in Chicago.

Now dumping another 100 grand into the house could possibly put you behind the eight ball . 

They just say something via email without much context.That is a good point so I can better understand what will get the ball rolling.

Pushing your wears on an new person who just asked a question is pretty low ball.  

You have to stay on the ball with Furnished Finders and not expect guests to come to you.

It's literally just a guess as no one has a crystal ball.

I send a tree contractor as I live far away and my local Property Manager has been dropping the ball on significant maintenance items lately and I have decided to bypass him on this one while I figure out what to do long term for maintenance.

@Yongming Huang for the inference of why do real estate agent's "make so much" let's follow the bouncing ball of the math to find out what "so much" actually is. 

Quote from @Justin Ball: We have 10+ self service car washes/auto bays with no subscription services (some closed, some active, some partially active) for sale in our region and I am looking to find alternative uses for investors interested in the properties. 

But if these Seattle projects will, two years from now after HB1110 rules are in force, appear to have been an ephemeral thing that came and went among a handful of limit-pushing builders,  our development might end up seeming weird (which could impact both buyer appeal & financeability).I know there's no crystal ball and the State rules have been changing rapidly, and might still change further.