When I was in the Air Force, back in the good old days of propellers; once we were taking off overloaded, approaching the "go no go line", and about 10 feet off the ground; it was time to come down, throw on the brakes, and reverse props. (especially with trees near the end of the runway)
You got to know when to hold, and when to fold; I think it's time for the OP to cut his losses short.