Are there any guides or books that really do good at explaining everything in detail that I could pick up and study? 

@Matthew OlszakCould you explain a bit more about how you utilize both LD and Listingstoleads? 

I find that in my area, they are somewhat similar, although the SFH get a little more.The rental amounts you explained concern me on two fronts; condition of the property/units-deferred maintenance,  and/or long term residents that they just kept there and never increased the rents 

If they refuse, life will start to get tough for them - you might want to explain that the process is that the sheriff will show up, unannounced, and evict everyone and everything - and the neighbors will be watching - and they sure wouldn't want that to happen and neither would you...

I don't know that I have to explain why I'm doing this, as long as the seller agrees to it.I spoke with the seller earlier today.

Hi Account Closed,It's possible and I've done it (not going to be a literal double close btw), but your retail buyer isn't going to be able to find the lender, and unless you find a BP member lender doing business in Illinois, you've got to explain it to the lender using very small words and no BPisms (ARV, BRRRR, wholesale, wholetail, transactional funding, etc... not allowed to use any of these terms, as none of those are in our day-to-date traditional lender vocabulary or covered in any of our formal licensing training/education). 

I'm obviously horrible with examples but hopefully I explained that well enough.

The reasons why lenders do this is too time consuming to explain but the important item is that you need to find a lender who doesn't have this overlay because you CAN use your rental income to qualify. 3.

A book that explains what all abbreviations mean and so on.

For example if I saw a dog on their Facebook page, but none on the application, I would ask them to explain.