My struggle is raising capital.

Lower Returns on Investment (ROI): With limited ability to raise rents, the potential for high returns diminishes, especially in markets with rising property prices or inflation.

For raising rents, provide written notice for the increase and option for them to provide notice to move out if they are not interested. 

All it takes is building a staffing of about 50, and raising "Cardone" level capital..... 

interest doubles raises P&I significantly. 

At the time I had a pretty good W2 job.I am also getting slow, but steady appreciation (good area, good schools) and I am able to raise rents a few % per year.... 

They are engineering those returns by over raising equity.  

Kind of like raising earthworms or Ostriches for skin care oil.  

But then raise their rent an extra $50/month for this at their next lease renewal.

You raise the rent a bit each year and that is your cash flow.