If the fuel pump system has been modified per MEB88-3 leave the pumps off
(except for emergency) and save them for when you need them. They cost about $1500.
If it hasn't been modified, don't forget to reset the fuel pumps after a fuel starvation event. The pumps would have switched to high output and when the throttles are reduced for landing the engines will flood and quit.
That will not impress the boss or CFR at the airport.
Fly Safe.
Pat