if your going for pure ez, then woodcutting
but if u want the most profit then definately go mining.
lets break this down
1-15you mine copper/tin=no real significant profit but fast levels none the less
1-15 woodcut cut normal logs for a good 50-75 each fairly good profit, decent speed.
15-60 mining- mine iron 100 each or coal 150*ish* each
15-30 woodcut cut normal stil for 50-75 each, 30-60 cut willows for 30-40 each fast exp slower $$$
60-70mining- iron or coal still 100-150 each ish. 70-85 coal, mith or addy newhere from 150-1k each good cash. slower.. but good cash
60-85 woodcut- yews 250 each not bad cash, faster then mining but worse profit.
heres where mining owns
84*stout

*+ mining- rune ores-10-13k each great profit... great profit.
60-75 -cut yews 250 each, 75+each cut magics *1k each*If ur a member* thats the only real place woodcut beats mining in cash.
but once you hit 84 mining u will be making a ton more cash mining, then u would be woodcutting..
so like i said if u want this for pure ez go for woodcut. if u want the best cash go for mining