File down a prop blade to make it smaller?

[Wpg Manitoba]

Added alot of weight to my 14' aluminum boat. Can't really afford to buy a new prop is it such a bad idea to file down the edges a bit re-balance, to make it smaller?

[mitch]

They are not that dear in ali get a new one $100 or so

[99yam40]

Usually you change the pitch not the diameter for heavier loads