However if I do a BRRRR I can achieve infinite return by extracting all of my investment.

Unfortunately, they generally have not set up the tools needed to extract the information (or they don't provide public access to them) needed.

I would consider the cost of extracting your equity from the FL property by sale and then compare that to pulling equity by way of a cashout refinance.

LeadSherpa is a good service i had a lot of experience with if you want to go that route.The two best strategies I’ve found are inbound methods: direct mail and Google Ads.Direct mail can be expensive, but it can also yield highly discounted properties.Google Ads, on the other hand, doesn’t require data extraction like calls, direct mail, or texting.

I will answer as it relates to traditional BRRRR, in the general case there are additional options.  1) Do not perform maximum cash extract.  

However if I do a BRRRR I can achieve infinite return by extracting all of my investment.

Assuming you have a loan on that property you co-own, you'll need to "extract" that equity somehow and convert it to cash to be able to use it on another property. 

However if I do a BRRRR I can achieve infinite return by extracting all of my investment.

After closing on this deal, I like to reflect and extract lessons that I’ve learnt along the way.

Nowadays, most of my business is by referral, however I do work weird lists and extract further data to create proprietary lists for my own use.