But make sure it is actually illegal and not just your opinion. 

Rich Dad, Poor Dad is a great mindset shift, and The Book on Rental Property Investing is a solid next step! 

Is it possible to get address for some properties sold by sdirawealth?

Wholesalers (no offense to those in the comments) who are doing this without being a foreign entity are probably co-wholesaling which is on the borderline and practically acting as an agent without a license or getting referral fees by having actual wholesalers on the ground doing deals and they just provide the leads which is different than wholesaling.

- Will they preview properties for you, taking narrated videos they send to you?

I try not to let it get personal...there are some members that have been 'inappropriate' in the past, but I will still give them a vote if their post actually deserves it

Existing tenant stayed in my rental property 3 years without rent increase.

Those are very very important to run the property cost-efficiently. 

Metro, and the expected spike in rent growth in the D.C. metro over the next few yearsSummary:After analyzing the data outlined below, I believe that investing in a value-add, multifamily property today has very strong potential for success.

If you would really like to explore the sector : why not go and message 10 to 20 operators and offer to look after their property or clean their property for a month in exchange for their knowledge and details on the numbers.