Given the length of time and your investment strategy, that will determine whether its worth it to refi.Determining whether you want to continue to leverage is really dependent upon your investment strategy and finances. 

That is a subjective number, only you can determine that.I personally don't consider a property a good rental if it does not cash flow well (minimum of $350/month for sfh) while fully leveraged.

Either I cannot seem to find an answer to this on the web or I am using the wrong search terms. I am trying to figure out how to calculate ROI in the following scenario. Our original primary residence. Bought 18 years...

Kitchen renovation (cabinets, countertops, appliances) bathroom renovation, and flooring are usually the cosmetic things that I find add the most cost, you should be able to determine if at least any if these areas need to be updated and go from there. 

@Isaiah Foster, you will need to determine what you are going to do with the home once its fixed, sell it for cash, sell it on a note, rent it, this will determine the amount of rehab you do to the home, once you decide this then start the rehab on the outside of the home to keep the weather out good luck

Determine what your desired cashflow, ROI, IRR is and work your max bid from there. 

@Jonathan Barby I understand the urge to do the work yourself….but don’t let that determine your market, there are much more important factors. 

I was just curious if when analyzing, people use the BP calculators in general to determine if it's a good idea to dive into the details on a deal.What types of assumptions for your local market might not be captured in the calculators if you don't mind me asking?

Even if you send requests to apply some don't.To make sure you don't get into trouble (Fair Housing Laws) determine your criteria for what you are looking for in a tenant: 3x income, no evictions or no outstanding collections to landlords, no criminal cases or misdemeanor case ok, minimum credit score, etc.

I can get the basis value by: "To determine the basis of an individual lot, multiply the total cost of the tract by a fraction.