In the majority of fraud or Ponzi Scheme cases the common theme seems to be that the money is mostly gone, and whatever is left runs out before a large portion of the victims are made whole.

Utilize tools like BiggerPockets Rental Property Calculator and connect with local investors.

Consider utilities, internet, landscaping, and other expenses.

This goes against another commonly made argument that the HELOC saves next to nothing.  

I would ensure utilities are transferred out of your name also.

In our24 years of experience, managing almost 100 S8 leases currently, the average S8 tenant has a FICO under 580, numerous collections from utility & cell phone companies, doesn't want to pay a security deposit, much less an application fee and claims they don't know how to fill out their S8 paperwork despite being in the program for several years - hint: they want YOU to do it for them.Most, not all, are eligible for government assistance due to a funeral-march of bad choices.REALITY: you are trust trading one set of problems for another.You can succeed with S8, but you need to understand the challenges and plan accordingly.

One-year leases are very common in smaller spaces, as you're most often working with tenants in the trade industry that need a garage styled space for tools and equipment, some with a small 1-person styled office adjacent the shop.

Rents were higher weekly, than if they paid monthly. 25 units in Knoxville, TN with a mix of cottages, duplexes and a six unit efficiency.We converted it to monthly renters, lowered expenses, billed back utilities  to the residents.

However, this is less common for standard FHA loans.

It wont be as easy as b grade and things like unreimbursed utilities and tenant caused maintenance will take a bite out of profits but it is feasible and uou can make money and probably hit the 1% rule with a lower entry point.