pest corals

Are there certain corals in this hobby that you feel are overrated? Maybe ones that fetch a hefty price, but don't really seem worth it. Or maybe ones that constantly get recommended to beginners and you are tired of seeing in everyone's tank. Or maybe just coral that you don't like in general...

There are a lot of coral species that are known for taking over tanks due to their over excessive growth, but being in the hobby you sometimes get offered freebies, or old colonies that people don't want anymore. Now it's hard for me to say no to free stuff, even if it is something that I...