All the major systems of a house age at different intervals, so every single resale house is always going to be on the verge of a major component needing to be replaced.

Then when the lease is up and the tenants are what you wanted have their new lease at 1 or 2 year intervals?

Looking for a simple compounding ROI calculator where I can put in the compound interval to be like 5 years.

Then the longer the bond is dated, 2 years, 10 years, 30 years, the higher the interest rate then becomes on those bonds to correspond with the higher and higher risk at each years intervals.

For my full time job, I may be required to spend time outside of the country in 1 month intervals on a project.

Rents have crept up, but remain very low Tenant profile is regressing as well, with poverty rates going up, more households reporting using SNAPS (supplemental nutrition assistance program) year over year, and a general decrease in number of individual with college degrees in the area. 

Can't you just use some sort of stud finder to find the pipe, or at most cut a couple exploratory holes and stick a camera in there, open up the wall along intervals, and do it that way?

Can't you just use some sort of stud finder to find the pipe, or at most cut a couple exploratory holes and stick a camera in there, open up the wall along intervals, and do it that way?

Seems like you have a good grasp on market research, nonetheless here are a few metrics you can add to your search: - rental vacancy rate  - homeowner vacancy rate  - poverty rate - education attainment rate (high school/GED & Bachelors)   - number of housing unit - household income - rent to income ratio - rent to price ratio - population on SNAPS (supplemental nutrition assistance program) percentage  - prop tax rate  - median age of buildings - number of structures by units (SFR, duplex, tri, quad, etc

Real investors - flippers/rehabbers and buy/hold buyers - in a given market generally run in herds, and I suspect that even established investors don't see deals come across their desks in regular intervals.