alphanumeric Are you quite new to helicopters
Take the say £50 for instructor out then fuel, insurance for training, landing fees, finance, maintenance + other overheads there is not a lot left & that is if there is no unforeseen events, & there always is I have found
I think on going training "CPD" is a must for all of us we should all aspire to be as professional as possible.
Ongoing training can only be a good thing as Crab says.