Then I discovered the free Clint Coons Youtube channel that answered most of my questions.

Should you discover this offer is competitive, you can always circle back at that time, but be conscious of any rate locks or potential adjustments that may occur if you delay on moving forward while shopping other lenders.

What you know upfront is a whole lot better than what you discover later. 

I also discovered they were petsitting a dog at my property, which is a lease violation with a $300 fine per day. 

Otherwise the experienced investors you want to be working with will quickly discover your pricing doesn’t pencil, and they will choose to not waste their time looking at your deals.

Any best practices you’ve discovered?

I believe they are blaming the bedbugs on a tenant 2 floors below them that I had evicted 3 months prior to them being discovered in the upstairs unit.

If the market moved very little, that can be an indicator that the market there is less likely to experience a huge change in any future downturns... assuming no fundamental change in the community (IE: big business moving out, discovering nuclear waste buried under the city, etc.)

What was discovered after your option period that change things?  

But I’ve never had them discover an invisible problem.