A large amount or number.And with or without the other two they stand to make shedloads of money....
He became a bit of a local celebrity, particularly enjoyed mixing his passion for fishing with getting paid shedloads of money for a few hours work a week talking about a ‘sport’ that hardly lends itself to television.
This is one guy who has managed to get shedloads of money out of his followers by that old and trusted trick of telling them the world's going to end, so they won't need all those possessions and cash that'll bar them entry into heaven.
Origin
1990s: from shed1+ load; perhaps euphemistic after shitload.