Here's an article with FAQs including the cost of a study.

There is so much that goes in a business, rental rates, rental tax, inventory,  job costing, payroll, business analytic reports etc, QiuickBooks does handle what I have mentioned here. 

Often, owners beat up PMCs for a low price, but fail to understand the PMC will often cut corners to make sure they are still profitable. 

Its not usually cut and dry so more of the story would help.

Cut out expensive stuff you do not need but just want.Try to get that monthly amount needed to survive to a nominal amount.3.

Once the above skills and tools are acquired, understanding the sequential process of the development along its timelines and costs needs to be correctly implemented.

I wouldn't suggest you buy a single-family home to live in because the additional cost outweighs the benefits.

To simplify the scenario I'm envisioning let me put it this way: what does a BRRRR look like when one of the parties contributing to the down payment and rehab costs ultimately ends up being the renter as well?

Can you do side hustles, cut down costs to get rid of these debts?

The cost of labor , materials , property taxes , inflation , interest rates  etc .