I found some old videos that I recorded a while back and uploaded them onto youtube again. Check them out if you want .
https://www.youtube.com/channel/UCm3IDEbCaW-_1pIJu58MV_Q/videos
after your truck has finished dropping ore, select your truck and hit "s", they'll pick up ore closest to your refinery. also, check this site out for money managment.
http://funkyfr3sh.cncnet.org/milo/ra.html