In practical terms, an example of what that means is that 3-4 months before your BRRRR appraisal (when you're still doing rehab work), start visiting the open houses of all of your future comps, get the seller's disclosure packages from listing agents (pretend to be an unrepresented buyer if that's what it takes), and find out in writing from the seller of that house why that comp is about to sell for $50k or $75k less than what you think your property will be worth.

Full disclosure, I'm an agent and investor and I work exclusively with investors to dig up and negotiate deals, so I see the good, bad and ugly on all sides of transactions regularly. 

As far as comps, even in non disclosure states like Texas, Propstream gives an estimate of what they think homes sold for in the area (I'm assuming Privvy and Batch may, too). 

Full disclosure, we've also had a few who failed.

The listing agent said “Disclosures are not required on new construction”.

Payment (due date, type accepted, location accepted, late fees, returned check fees, security deposits, utilities)4. no sub letting5. maintenance 6. no repairs and alterations without consent7. violating laws and disturbances8.pets9. landlord's right to access10. extended absences by tennant11. possession of the premises12. rules and regs13. payment for court costs if necessary 14. disclosures if any exist15. accepting legal papers16. validity17. grounds for terminationI've read on here about people including things like rent goes up 3% annually on renewal in their tenant's lease.

@Susanne Stauffer  Just to be safe, I'd consider a disclosure that states that they could receive a higher price if they were to list it on the MLS.It might be overkill, but you don't want to open your front door to see the Eyewitness News Investigative Team shoving a camera and mic in your face, asking why you think it's OK to screw little old ladies out of their homes.When in doubt, DISCLOSE.

Full disclosure I have a whole life policy which I can use for this but they are not fantastic products like many tout them.

I am looking for a platform like Docusign, DotLoop, etc which will let me fill in and electronically sign templated RE forms such as Purchase Agreement, Sellers Disclosure, etc. 

Either way, most of the time it requires reporting and disclosure on your 1040 annually.That said, if your only US income subject to taxation is US situs rental real estate, it's not likely that you'll get a refund.