You will want to make sure you have extra funds on hand past what your budget calls for because you will likely run into things you could not see before rehab starts, especially if the home is an early build (pre 1940's 50's).Have the cash (with a budget and a plan) since you built your profit into the deal at purchase, stick to the plan/budget.Have extra cashThink ahead - your end point of listing the property with an agent, start to set all that up before you finish so you can put a sign in the yard the day you walk out for the last time plus gather other info - appraisal etc etc.

Before:Later:After:This house is extremely well insulated with 2'' of exterior foam board under the siding and an air sealed and insulated attic.

I am not sure about specifics but I believe he did not try to shave costs when it came to insurance.

Doesn't matter to me what people are selling I love the funny stuff.One of the best commercials is the Dollar Shave Club commercial where the guy is in the drug store trying to buy razors & he gets punched after pressing the button on the counter.You should shoot both commercials & post them on BP for the members to vote for the best one.

Brent and Jeff S. have good points about checking with your ins. co. 

I am a huge fan of the spray foam as well but I don't think you can do it unless you have open wall cavities.

Those K-1's have profit or loss that goes onto the partners personal returns.

What kind of real estate book/s did you find very helpful? Do you follow writings and published books of a particular writer and see to it that you get one? If so, who is that writer? Why would you recommend the book/...

Question is, can you shave $25 sf off the build costs and come close to making something less than $50k using the single most expensive comp?

I started shaving my head so I don't have to deal with the mindless small talk.Make sure you don't have her cut your hair after you have a disagreement.