Hundreds of threads like this one on here to learn from other's mistakes rather than repeating them: https://www.biggerpockets.com/forums/12/topics/1133388-losin... 

My mistake. 

They lose a ton of money through common mistakes.

Quitting was the biggest mistake I ever made.

That likely isn't the only mistake. 

It's funny too how so many of you share the same akward writing styles and make the same small mistakes while posting.If you guys are all real individual people, you are drinking some crazy coolaid, and have all the reasoning skills of a rabid badger. 

This gives me a good little pushFrom what i've heard, the biggest regret on people's death beds are "I wish I would have" rather than "I wish I hadn't"Mistakes will happen, learn from them and continue to improve.

Sorry@Colleen Woods, that was a mistake.

We look forward to learning more from all of you as well as sharing our knowledge from success to mistakes...

If you are like most landlords, you'll make some expensive mistakes along the way that will cost you far more than a professional manager would charge.