sheets has something like that in his program. i believe, from just about any book on rei in the library, will have something exactly like this.
the basics would be:
property analysis:
rehab analysis
neighborhood
financial situation
seller analysis:
who, what, where, when, why, how, etc.
self analysis:
finances
capabilities and skills
review of resources that you need to help complete the whole project, including selling it (realtor?)
buyer analysis - market analysis:
who’s gonna buy it?
how long will this take?
how much will they pay?
property flexibility:
with financing of project, is their flexibility to be creative?
what incentives can be offered to sell home, if needed?
local municipality analysis:
county
city
town
village
after this, i’d say the rest is up to the attorney and title company.
due diligence checklist will change depending on the type of investment you’re making (i.e. land vs sfh vs commercial unit, etc) and also WHERE the investment is.