You can also buy lists from companies like list source and there are some REI software companies that have a cash buyer search feature.Best way to find motivated sellers is to purchase lists and compile lists from city and county for 60-90-120 days late on mortgage, pre-foreclosure, delinquent taxes, water cutoff, code violation, probate, divorce, high equity, etc. and mail or cold call.Other methods are driving for dollars, door knocking, wholesalers, craigslist, Realtors, FSBO sites, expired listings, foreclosure sites, put out bandit signs, billboards, newspapers, other offline publications.If you have the funds you can run TV commercials, do pay per click/adwords, facebook, Linkedin, Youtube, and other forms of online advertising and social media postings.Bottom line is consistency.

She currently is on social security and takes 1300 per month from her retirement portfolio.

2) I'd refrain from advertising on social media (like BP) how much funds I have to invest!

Maybe, the house is worth only $100k and he is blowing smoke.After you look at enough properties you should be able to get an approximate value from the internet and by looking at the outside of the house.

By any chance, do you know where (in the internet) I can get estimated replacement costs in the DC area? 

today's thoughts areA) cost segregation depreciationB) TAX-FREE 1202 or 1031 exit strategyB) legal substructures like garages, storage units, ADUs etc.C) FREE WiFi/internet for all tenants

Vinly flooring, black appliances, fully furnished, washer dryer in each unit, and Gigabit internet are all items needed. 

The answers have been varied with a LLC mentioned most often.But, because of the $800 annual tax CA imposes, a business trust has been mentioned next most frequently or out-of-state, "foreign" LLC's, which although cheaper to implement can have expensive drawbacks (extra tax return, costs if legal action out-of-state, etc), I've been warned.My seed money is $15K of a $20K non-earned lump sum from Social Security.

I generally know how to screen, but I am getting a bunch of illegal aliens, without social security numbers..Any tips on screening them?

People get inundated with R&F and other direct marketing in their social media but a sample and a where to buy this product card would be fine.