Know when (and how) to fix your suit so it will last through multiple race seasons.
Every wetsuit is going to end up with fingernail cuts and nicks through the neoprene. Some can be ignored, others can be fixed at home but the severe ones need a more extreme solution.
Forget about it
A small nick that doesn’t penetrate down to the jersey material lining the inside of the suit isn’t a big problem. These can either be left or repaired at home.