One of the most common mistakes beginners make is jumping into large rehab projects without having a solid team or boots on the ground. 

I made tons of mistakes on my second house hack and I still came out ahead.

We had a client that bought in Port huron and then ended up selling their property because they went through 3 PMCs and gave up trying to find a great one:(Some copy and paste advice below:--------------------------------------------------------------------------------------------------------Recommend exploring as many sources as possible to get referrals AND cross-reference them to get as much accurate information as possible.Check out NARPM.com, BP’s Property Manager Finder (BiggerPockets: The Real Estate Investing Social Network), etc.Also, encourage you to learn from the mistakes of others - by reading posts here on BiggerPockets about owners not having their expectations met by their current Property Management Company.

Requiring an application before showing is always a mistake but even more so in todays market.

I've made that mistake in the past and agree that it's not typically a tactful strategy.

I made a lot of mistakes for a new investor.

The "Initial Filing" is extremely important to get this right the 1st time as there are limited safe harbors for mistakes to avoid the penalties.

A deterrent for others to make the same mistake.

This was my worst rental related mistake ever.Trust your gut. 

This is a tough one as I believe there were mistakes made but would it have had a significant impact on what happened?