FYI: I’m not sure if you’ve been paying attention to what is going on in the U.S. economy, but have you noticed the growing wealth disparities?... 

Baby boomers are aged 54-72 currently and make up 20% of the population.

I could sell one of my properties (condo) use, that money for flips in Atlanta within the next 1-2 years build up additional funds to acquire an apartment complex, and to grow my portfolio, but I want to hear from some experienced investors and what they would do if they were in a similar position.Current Picture/Portfolio: Property 1: Condo (Atlanta, GA 30328)Current Rent = $1550/MonthUtility Reimbursement = $200-300/MonthHOA $383 (In line with HOA's for other communities) Purchased June 05th, 2015 and resided in property until Jan 22nd, 2017 (Total of 1.64 Years)Lease Started Jan 23rd 2017 and Lease Ends on June 30th 2018.Current Equity 135,000 (Purchase Price)  - 85,000 = $50,000Current Comps Similar Properties are selling for $155,000 to $170,000Current Mortgage Terms: 15 yr Fixed 3.325% Monthly payment of $996 (Includes Insurance and Property Taxes)Anticipated Total Earnings if Sold at End of July $64,500 (Sell Price $155K) to $78,500 (Sell Price $170K)  Property 2:Town-home (Peachtree Corners, GA 30092)Current Rent = $2000-4000/Month (AirBnB) 60-70% Occupancy since November of 2017Purchased July 28th 2017 and currently residing in basement house-hacking with my younger brother.HOA $325/Month Covers, Water, Lawn Maintenance, Sewage, Security GateCurrent Equity 336,000 (Purchase Price) - 265,000 (Remaining Loan Balance) = $71,000Current Comps Similar Properties are selling for $345,000 to $360,000 due to private/public school ratings going up shortly after purchase.Current Mortgage Terms: 30 yr Fixed 4.326% Monthly payment of $1823 (Includes Insurance,PMI, and Property Taxes.)

As far as access to computers, every public library has free access and anyone under the age of 40 grew up with computers in school.

A friend mentioned that South Bend might be a market ready to grow since there's revitalization going on.   

But maybe holding us back a little bit from really growing with now 1 duplex and 9 SFH’s.

We would like to accumulate more real property at this age and hopefully start a family soon and hopefully retire early.

If it's an older building, with aging systems, like @Owen Dashner pointed out, you'll have even more expenses maintaining everythingInsurance Estimate at $720/year: if you really can insure an 8-plex for $720/year, please PM me because I'd really want to know the carrier.

Considering your age and the fact you have a downpayment already you can become successful in real estate as soon as you get and maintain a job.

All the income and gains flow back into the IRA and grow on a taxed deferred basis.