This is why I have my FC set up to buy Tritium at 100,000 CR per unit in 1000 unit purchase orders.
I've got just short of 4 Billion in my FC bank and I'm far too lazy to refuel it myself half the time so it's a win-win situation as far as I'm concerned.
My FC gets refueled regularly and some Traders make a nice little profit.
I've had to reset my purchase order twice already this week and the money I've made from pew pew activities has topped my FC balance right back up again

can't even throw credits away now it seems