BUT maybe think about freshening up the exterior of your STR (Airbnb is a platform).I work for Airbnb as an "Airbnb SuperHost Ambassador". 

Choosing a location near LA, accessible by a short flight or drive, will make it easier to check on your projects.

Would it be a good idea to refinance and get access to that equity, or don’t and keep the favorable interest rate?

Received access to mortgage portal to ensure all payments are made (including escrow).Anything else here I should do or not do if acquiring for the long-term?

The Construction Agreement says they have access for 6 months and can extend up to 12 months.

Before listing it on an STR platform, I need to make some improvements to my current home.How can I maximize tax write-offs for these improvements?

The question is not whether a guest wants your Netflix, but how they can access their Netflix. 

I'm an authorized reseller for Generali (for our guests that book off-platform) and it's something like $59 for the guest, and you can buy it on their behalf, but I'm not sure that it covers chargebacks.

LMK if you need any help accessing those tools on BiggerPockets.

As a wholesaler, hopefully hearing from some of you with experience with these sites, what are the advantages or disadvantages of each of these sites respectively... as far as which search criteria to use on each platform?