Piercing the veil is very common. 

Not a common occurrence for sureI don't agree with the thought process that a RE broker would save you in this situation this is clearly title insurance and why you always want it..

This is quite common and you don't need an LLC for it. 

It's a very common mistake where an investor sold and bought properties and then when it's tax time they find out they didn't do the right process to actually qualify as a 1031 exchange.  

@Joshua TalamanteIt is actually not that common for Solo 401(k) bank accounts to exceed $250K in cash for any extended period of time.  

In the apartment industry, typically $250-300 per unit per month is held by the banks in escrow, but R&M can be much higher - Utilities - Is there any common-area lighting?  

Also, remember the common recommendation to spend time learning about your business from the ground up.

Common misconception is that DSCR loans are non-recourse because they can close in an LLC. 

@David De La Torre it is common for electric and gas to be turned off when a tenant moves in, forcing them to turn it on in their name. 

In my life outside of real estate, I worked in Information technology where I have participated in the creation of open source software as well as documentation published under creative commons. lots of license thinking to borrow from.It has always felt wrong to attempt to monetize everything associated with real estate investing.