You'll find tons of good info here, I recommend checking out a local meetup or two as they're super helpful to brush shoulders with other folks that have either done what you're doing or are asking the same type of questions. 

PNW is 90% soft wood..

Regarding the First floor leak, the ceiling isn't soft or saturated - just discolored.

We are curious if we should build multiple campsites, which would include a lot of tree and brush clearing, and likely a bridge across the creek.

I had this battle with them before when they came in short on an appraisal of mine.But you trade that for lots of other perks they offer:only a soft credit pull that needs to be 660.you have to show exactly 0 bank reserves (this is crazy, only lender out there who operates like this)Not much in terms of documentation.

Kids and I are pulling out the kitchen floor on a property where the kitchen floor is 'soft' in spots. 

I feel like $315k might even be a high ARV (but I'm no expert here), and the market in Jax is decently soft right now.

This month occupancy is a little soft, but it will pick up in the fall.

Learn to brush it off and keep moving forward

If I was looking to buy that home, I would wonder how My kids would brush their teeth in the sink, it would be a mess, how do you clean that thing?