Are there any major investor meetups in the Seattle or Tacoma area?

There are some very aggressive investors that refi into interest only products to free up even more cash in the short term - this can be much more risky though, so not recommended if you are not very experienced and have large reserves.

We've also advised this method to our investor clients that borrow from us.

very high risk even I only do them with very specific investors in mind and a plan. we dont flip land we develop every one. 

Plenty of investors work the Atlanta market but the ROI is better in Huntsville and Atlanta is tenant friendly.

New zoning in columbus went from 2 stories to 6 stories. pitched a few investors who do hotel development and they are looking at it.

Look for professionals who understand the unique needs of real estate investors.

Are there any investors looking to team up and any lenders for buy and holds and new construction?

Start by networking at local meetups and connecting with investors, agents, and property managers.

Investors in these type deals look for say 12 - 14% annualized return.