A lot of sellers are burned-out landlords who like the idea of "passive income"/mailbox money after years of chasing late rent payments, dealing with tenant BS and maintaining the property (I use quotes for "passive income" b/c no income is truly passive IMO, a wise seller will still pay attention to what's happening with the property in case they need to take it back, but collecting payments like a bank is generally easier than collecting them like a landlord, you can set up ACH with the buyer's bank or hire a loan processing company to handle it). 

Is there a possibility of increasing income?

“This highlights the importance of regular tax-loss harvesting in your after-tax nonretirement investment accounts throughout the year.”Contribution to a Traditional IRAAnother option would be to contribute to a traditional IRA to reduce taxable income, subject to contribution limits and deductibility phaseouts, says McGuff.

if your a young realtor like I was  started at 18  and got my brokers at 20. how are we going to qualify we dont have income yet..

She also told me that the owner is from Mexico, he does not report everything and is earning more income than reported.  

Would you mind sharing the lead source and outreach method?

This is not a means for you to invest in real estate personally, and you cannot personally benefit such as by keeping the income yourself. 

Investment Strategy:Buy and HoldInvesting herebecause: Potential to Appreciate in Long Term (10yrs+), want to build NetWorth, Affordable in my budgetYear 1 Evaluation: Gross Monthly Rental Income = $2,042.50 Monthly Cashflow = -$76.05 GRM = 12.79 Cap Rate = 5.12% CoC ROI = -1.11%Hoping that theinterest rates go down so that the monthly cashflow becomes +ve.

One month or one decade selling a flip is an active business like selling hamburgers, and pays regular income taxes not capital gains.

By investing, further savings are acquired by being able to reduce one’s taxable income.