That was the price with free shipping Norm ,you can buy them cheaper but then you have to work out how much shipping will cost on top.
They had a few sales on lately.
I guess if you have a problem with the drive line slipping and you don't need to use this cart too far from the house ,two 2Hp electric motors could be used to a ride on mowers transaxle with an extension cord but it's just as easy to use a petrol engine.