Farming, my friend. Pumpkin Melon Wheat These are your best bet for easy access to money. If you talk to me ingame I might be able to set you up with a long term job if that's more interesting to you.
Pumpkin farming. If you don't live in town with a pumpkin farm and you can't start one on your own, mining is the second best way after farming.
Pumpkin farm is the best with diamond axe with lots of floors of the farm.I do repairs om me to get repair 50 each. I also have tp so I can tp for 30 dollars