As an investor (not just rehabber) there are literally a hundred different things that can make that "sure-fire" $30k profit disappear in a heartbeat.

I noticed today that another house that I have watched get rebid and rebid disappeared for a couple months, but is now back on.

The mechanics lien may not just disappear.

That money will instead just magically disappear into lifestyle creep that the tenant will have a million excuses for being absolutely necessary, as we all do.

The difference in a few thousand in sales price disappears over the long term also.

I would not count on Airbnb as reliable income.I love the service and have used it myself but it could disappear in your area overnight due to new laws or regulations.

When does it disappear.

.: I just read an article that disappeared quickly.

Your margin could disappear easily with interior damage.Despite the low inventory the comps make it appear that the market is still falling and in my area, a special assessment 2 years in a row would be the kiss of death for a condo.You have an owner who didn't even leave after the bank took it over so he might not be in the mood to give it to you in good shape.Also in my area, buying an REO puts you on the hook for up to 6 months back assessments, so you might check that out.

You can do this unlimited amount of times, and when you die all those built up gains you have sheltered through 1031s just disappear.