the fastest most economic skills are cooking 5 mil loss fletching 5 mil gain hunter 35mil gain theiving 2 mil loss firemaking 1.83 with willows 7 mil with maples the absolute fastest skills construction 100 mil loss prayer not sure,but a huge loss
if you didnt do royal trouble do that too put in at least 1350k so it is good for 1 week then go up using fairyrings, walk to mine area, mine coal until you are told to stop, dont get the maples and nests everyday or else you wont get as many
1600=dhides 30= tanning 1630= tanned x3 for bodies 4890= cost per body sell at 4500 loss of 390 per body 4890 for body 300 for nat 5190 total 4680 alching value 510 loss per body 68,096 number of bodies you need to make selling is a loss of 26,557,400 alching is a loss of 34,729,680
and if your going for cash try mith OT at 70, it takes me around 3 min to mine a load which is also slow, wait for master smither hes mining gold to 99
chins cost 800 ea prayer pots cost 8k and range pots cost 4k i dont know how many it would take, i suggest seeing how many chins you could do in a load, and the exp you get
grow rannars, every 75min i think how long it takes, go through and pick rannars and watermelons, put super compost down and replant, then put watermelons in compost bin and bank rannars