You're absolutely correct, after I published this, there were a few more things I thought about which could be helpful. 

Here are a couple to start with: I simply got these off the web so I have no idea how reputable they are but try them and see Bankers Title Corporation Parque Centro 1500 San Juan, PR 00918 787 * 753 * 0339 Efrain Tirado Appraisal Group P S C 1431 Avenue Ponce De Leon 801 San Juan, PR 00907 Estudios De Titulo Ana Echevarria Investigacion 102 Torres San Crst 204 Ponce, PR 00780 Finca Galateo Limited Partnership 207 Calle Tetuan San Juan, PR 00901 Garcia Andres Rivera 555 Prira Leal Street Apartment 201 San Juan, PR 00923 787   531-1179 Ocean Park L P 207 Calle Tetuan San Juan, PR 00901 San Juan Abstract Seguro Titulos 259 Calle Chile San Juan, PR 00917 William Negron Quinones 402 Calle 2 San Juan, PR 00923

There have been many published studies from managers of many rental units that give the data that supports this rule.

Beyond these figures and your response it seems no one on the web wants to talk about this strategy as being reliant on failures.... or am I just being cynical? 

The taxing authority will have all of the various taxes published on their website(such as county, hospital, school districts and many others), you just add them up for the ones what apply to that property and multiply it by the sale price.

On the other hand a really nice web site is not any guarantee of a truly trustworthy & reliable company.

I've always used Homestyler.com, which is a web-based design software that can be used to create basic floor plans for your contractors.

It's not super in depth but should give you a good overview of the process and key terms.https://files.consumerfinance.gov/f/201503_cfpb_yo...If you are looking for more in-depth book, like Mortgages 101 or something similar, I would recommend looking at the publication date and focusing on the most recently published books. 

It automates all of the initial communication back and forth with web leads, but allows you to tweak and adjust everything about your campaign. 

Hello,I am inquiring to everyone out there as to if anyone has any knowledge regarding any NON Accredited Fix and Flip Crowd sourcing web sites.