Cashflow may not be immediate but if you run your #s, you'll be able to see how long it'll take to cashflow and what kind of equity you can expect to build within your first few years of house-hacking.I began househacking in 2010 while working an NYC job (Health + Hospitals Corp., formerly HHC) earning a base salary and overtime pay that are nearly identical to what you posted here.

Philadelphia has implemented various forms legislation over the years between abatements, land banks and density bonuses geared towards promoting development in areas that suffered from disinvestment and housing affordability challenges with some legislation having been more effective than others. 

I think he had some self promotion in the post and mods removed it @Paul Ewing

Don't forget to add fringe benefits such as health insurance and also payroll taxes, etc. 

Secondly, tiny homes promote a minimalist lifestyle, encouraging reduced consumption and a greater appreciation for experiences over material possessions.

Let me know if you have any advice for organizing expenses and projects to stay up to date on the health of the property. 

The challenge for many of us seeking to replace our W2 income is coming into it with a serious financial deficit: bad or no credit, little or no savings (left after the crash, unemployment, divorce, health issues, etc. or any combination there of), sparse personal network, ...

This will have a higher expense buy may very well be worth it for your listings and companies health and growth. 

One last thing, you can join a group on Facebook, specifically for wholesalers (legal) and promote your business.

Under this idea, you'd need to see if the Health dept has any restrictions for your septic system (which i assume you have) and if the power company would meter the 2nd unit separately.