This has been discussed in other threads going back for months, esp the number of condo projects now coming online, when you have a building with a few hundred units completed it’s going to have a major effect on the YoY numbers when the whole county new listings are only around 4000 per month. https://seattlebubble.com/blog/2018/06/12/around-the-sound-king-county-sees-the-biggest-gains-in-listings/

Any advice from those more experienced?

You can also check their reviews online at Google, Facebook, or Yelp.

You can also check their reviews online at Google, Facebook, or Yelp.

I'd recommend that you join your local REIA, partner up with an experienced wholesaler and absorb as much as you can from him. 

I have been lurking on this site for a couple of years and have enjoyed reading the various posts and listening to the podcasts, along with reading books and researching online. 

Ippoloito states in his post, Patch of Land has been an investor favorite and has experienced substantial growth over the past couple of years.

One of the biggest mistakes I have seen less experienced investors do when choosing their first one or two flips is thinking they can save a lot of money by doing a lot of the repair or upgrading working on their own compared with paying a licensed contractor to do the work and mainly because a person doing the work themselves are not as experienced at doing good quality work and frequently will take a lot, a lot, a lot longer to get the work done and if you are financing your deal they you will end up paying a lot more in finance interest and still maybe end up with marginal instead of good quality work and you are only delaying the date for flipping , reselling, or being able to get a property rented.

Any other online resources recommend that are most accurate? 

It shouldn't be too difficult to find online.