Suggestion: Why not change the way the experience system works? I don't know if you have ever played Runescape back in the day, but why not make a system sorta like that?(without having different levels for different skills, although it would be cool) For instance, every log you cut will have a certain XP rate, say 5 xp per log. After say, 50xp, you level up from EXP level 0 to 1. After that, make it require more to level up again, say 100xp to get from EXP 1 to 2 and so on... This would effectively make it easy to get EXP at first, but have the time it takes going from one EXP to the next longer each time going from one ecp to the next. I'll see if I can use flow charts for a visual representation of what I am describing.