Help! Wiped cam lobes? - Video inside

I don't think I have the space or time to take the bottom end apart and have the block cleaned and everything else. I don't have much more money to invest in this project. I think I could handle just doing the top end myself, and I would make a write up with pictures about what to do and not to do as a newbie. I guess i could buy a second hand motor or something but that may open up another can of worms. Any suggestions? This whole situation is bumming me out.

Don't get bummed, It sucks some times but the gratification is outstanding when it is completed.