Poor Design

You need to level up with quest experience, but the helpers don't give any experience. Don't hire them. There are also many ads. If you still want to watch, it's better to load it onto a truck that gives experience and transport it. It's even better if it's a finished product. The same goes for increased movement speed. Transporting 10 at once gives the same 5 experience, so it's better to just run faster. Chopping trees also gives experience, but I don't think it's as fast as transporting.