At my old shop, we used two A frames that we built from some wrecked boat trailers...(hey they were free

)
Built them like saw horses (big fockers

)
Picked up boats complete, changed out trailers, lifted lumber rackes and stuff off for customers (charged $40 to use it) those A frames payed me enough money to buy two brand new 2 ton electric chainfalls.

Then I charged $50 to use them...
FWIW a cherry picker (engine hoist) will pick up a boat without an issue.....
GT