Are there downsides of getting a real estate license?

[Mike Pederson]

I am curious if there are any downsides or disadvantages to getting a real estate license as an investor?  I heard that when you are licensed agent you are required to hold security deposits in the brokers trust account, but I can't seem to find anything online that supports or refutes that (this would be a MN license).  

I also understand that you are required to disclose to tenants that you are a licensed agent, but that doesn't seem like a big deal.  

Are there any other things people would consider a downside that I should be considering?