As far as I know, depending on the states involved, in most cases you can do that but have to still sit for the exam in the state you want to get a license from.

Because this topic comes up again and again I've examined numerous municipal codes. 

Have you examined the "exempt market"?

I am curious what are the most popular MLS stats that investors here at BP follow.

It is not a substitute for a thorough examination of the numbers and you should never make a purchase or operations decision based on the outcome of this test.  

The disclosure also makes recommendations to, among other things: seek assistance from a lawyer or the Minnesota Home Ownership Center; procure an appraisal; have the property inspected; and examine title.Where there has been a failure to timely give the statutory disclosure (either at the time of signing the purchase agreement or at least five business days prior to signing the contract for deed where there is no prior purchase agreement), the statute imposes liability on the part of the multiple seller in favor of the purchaser as a private right of action in an amount equal to the greater of actual damages or statutory damages of $2,500, plus reasonable attorney’s fees and costs.

I have to compare total housing and other obligations to make sure they meet 45-50% debt to income ratios (max)- Do we have enough funds to buy out the spouse and to close this transaction + is their enough funds for reserves as required by the automated approval from fannie mae if anyOnce I've examined the above you're good to go assuming you'll be residing in this residence still post buying your ex-spouse out.

The records are all public record but your end buyer will most likely want a report from a certified title examiner (and 3rd party) for their own security.

@John T, in regards to the "Greater fool" theory, see the stats above for the amount of built-in equity after rehabbing the entire building.

I assume by inflation you mean the CPI...Besides being a terribly flawed government stat, it is a worthless proxy for the rental rate of 123 Main St, HappyTown USA.