Post it in the local Facebook forums, if good it will sell in a day, YES you can list it, withOUT a realtor, simply state cash buyers only 

They didn't require me to continue using them for any other services.They'll be 100% up to date on state and local landlord/tenant laws, have an attorney on retainer, and they can probably get the job done legally for cheaper than you hiring an attorney hourly.Here are couple good PM's in the Sammamish area that might be worth reaching out to:- PMI Arka- Brink Property Management

But the numbers just don’t work locally.  

All the locals are competing for deals and there are a LOT more out-of-state investors looking to get into the market as well. 

However, you are going to want to attend as many local meet ups in your market as possible.

Locate a local landlord attorney and get some legal advice pronto.  

Partnering with MH Property Solutions provided valuable local insights, making this an attractive and strategic investment for Partner Driven.

Partnering with MH Property Solutions provided valuable local insights, making this an attractive and strategic investment for Partner Driven.

Partnering with MH Property Solutions provided valuable local insights, making this an attractive and strategic investment for Partner Driven.

The plan here is to have a local (RV Certified) tiny home builder do the marketing to attract buyers that want to buy their tiny homes (cash or 25 year financing) and live in this park, until there are 44 pads occupied by tenant-owned tiny homes, paying $750/mo lot rent, on 1 year leases.