Study the market.

Each market/location varies on construction materials and labor costs plus comparable available existing properties to buy.3.)

After coming from the Birmingham, AL market, I've learned that I really like to have a tight network of local investors who help shape how we're looking at properties. 

All of those markets have been good to me as well.

If it is due to the company either pulling out of the market or changing their guidelines that is best because it is not anything specific to your property. 

How it goes from here is dependent on the market, how the deal is financed, the sponsor's plan to patch things up, and the skill/ability of the sponsor.If you have some time, check out this forum thread, it has 279 responses as of today:  https://www.biggerpockets.com/forums/960/topics/1185204-ashc...I think you'll find some useful input there. 

One of the biggest limitations I am seeing in the fix and flip market, at least in Colorado, is the requirement of a registered contractor to be on the permit for a rehab project.

I've moved up to Tahoe and now in the Reno Tahoe, Nevada market.

Quote from @Wayne Toh: Look at the market.

Does anyone have a trusty renovation/construction estimate calculator or guide they use for our market?