Not REI per say.... but you may find useful in pursuit of your dreams.https://www.sba.gov/offices/headquarters/wbo

Also, please consider that while some people might be able to forgo a 401(k) in the pursuit of cash flow or other, most would benefit from the Safety net.

I at this time already found real estate investing- at that time I never thought that I would be an agent- and did not finish school in pursuit of immersing myself in my investing.

One of the largest challenges, the individual referenced are the limited credit history most immigrants have @ 2-3 years, they tend to be very aggressive about their pursuit of home ownership (this is a good thing), being an immigrant myself (Eastern Europe), I can certainly attest to the inspiration many of these individuals have to live the "American Dream."  

Landlord runs out of courtroom crying, jumps in car, with tears in eyes blows thru stop sign because couldn't clearly see, cop sees and floors it to pursue and pull over but, in such a fit landlord threw on music as ear-bleed level to "just chill" so never hears the sirens, cop's thinking maybe it's a jail break, calls in backup, now there's a whole slew of cops in pursuit, chopper swoops in and it's on the news, now landlord sees a sea of lights in rear view mirror but it's too late, now it's live streaming and landlords boss sees and recognizes his star employees vehicle right away, and right as he was going to give a promotion.

My pursuit of REI is for me and my family and I've got nothing to prove to anyone else but myself. 

To be more successful, you simply have to work on the other elements to progress your REI pursuit.

To be more successful, you simply have to work on the other elements to progress your REI pursuit.

Since you already have 2 rental properties and are looking to expand to 30-50 by age 45, I added some links below to refresh your memory, build your confidence and help to chart a course on your REI journey.https://www.biggerpockets.com/renewsblog/2015/03/27/financing-options-rental-property-guide/ (financing options for rentals)https://www.biggerpockets.com/renewsblog/2014/03/06/bp-podcast-060-serge-shukhat/ (0-68 rentals in 4 years)https://www.biggerpockets.com/renewsblog/2014/08/02/passive-real-estate-investing/ (slowly building wealth through passive investing)http://www.biggerpockets.com/renewsblog/2013/01/04/how-to-rent-your-house/ (house rental guide)http://www.biggerpockets.com/renewsblog/2013/02/22/buying-rental-property/ (how to buy a rental property)To be more successful, you simply have to work on the other elements to progress your REI pursuit.

I have some lofty goals: https://www.biggerpockets.com/blogs/8160/69274-time-to-reflect-time-to-set-2018-goals-and-begin-pursuit