Figure out a method and process to pay as much as you can while making a good profit for your efforts and risk.

If you're looking for a great way to find off-market properties with less competition is by using a method called Driving for Dollars.

What tools or processes have you implemented to estimate rehab costs more accurately and avoid scope creep in BRRRR projects?

You can sell on financial method because there is such short demand there is all but no comp's to use for comp method, and if selling as turn-key, yup, financial method will be your friend for sure. 

Obviously if you’ve done this before you likely have a method you prefer for dealing with these types of things.

Lots of methods and resources.

You should always look for Tax-Deferred and Tax-free methods to Invest.

Running solid comps, managing projects tightly, and staying adaptable are the things we can control, and they make all the difference 

After about a month of no response on FF I switched my method to LTR.

@Abigail King I mean, I wouldn't classify it as "creative financing" as much but my favorite strategy has been the BRRRR Method for many years.