Or hopefully the cash flow pre tax , is after all reported expenses have been taking into account.

Have I left anything out of the expenses?

college and wedding expenses, and then at some point be able to retire.  

The covert lot I ran in Raleigh (up to 22 spaces, but we were never close to full) for our members as a 'revenue enhancer' was unattended, automated, easy to manage (handled a few calls a semester), and not a burden.

A flip can be expensive and time consuming.

No firsthand experience, but every time I've seen this question come up the responses indicate that for a few small units LLC will not protect you better than simply adding an umbrella policy to your insurance while being more complicated and expensive to maintain.Also many snags to consider such as banks not likely to finance residential property to the name of an LLC, transferring to an LLC later can trigger a due on sale clause in your mortgage, if you mix personal funds and LLC funds to pay for something you can negate all legal protections.

I listed core expenses.  

Getting solid rent prices and ensuring you have enough vacancy and capex expenses built in while analyzing properties is crucial.

Expense-wise my mortgage payment runs $55K/yr and PITI runs about $15K/yr for an obligation of $70K.Which of these scenarios is correct as it pertains to the DTIR on this property?

Up date one side by adding additional bed and bath (the other has already had this done and is in excellent condition)ARV: 475-500KMonthly income: $3200Monthly expenses: $2283 (mortgage, fixed and variable expenses, future assumptions) see below-monthly P & I: $1622- fixed expenses: $340/month (water/sewer, insurance, property taxes)- variable expenses: 2% vacancy ($64/month) , 5% repairs & maintenance ($160/month),  cap exp 3% (96$/month): No property management since we do this ourselves for our rentals.- future assumptions: 2% annual income growth, 5% PV growth, 2% expenses growth, 6% sale expensesBigger pockets tool sheet with above data:Cash flow: $916/monthCash on Cash ROI: 6.65%-7.57% depending on rehab costsPurchase cap rate: 7.15%I know this does not meet the 2% or 50% rule but it seems like a good investment for the area.