there is no best/easy way of making money - money is money. the only way is using your skills. I recommend using the primary skills, such as woodcutting, fishing and mining, and then selling these resources straight from the tree, lake or rock. repeat.
highly unlikly to get 2 in a row you must be GOD! what game do you play? :-k most of the time I get a trade, they always say ty at least, even if I do reject their offer.
its kinda hard to explain, but ill try: attack a bloodveld. run to a wall, keeping parallel to it the idiot, i mean bloodveld, should get stuck at the end of the wall you can safely slaughter them. as long as you stay parallel with the wall, youre fine.
when I used to pc, id always use either karils/veracs/torags legs. karils for the mage def + slight melee def veracs for melee def + prayer bonus torags for its high melee def
try not to spam. yes, you do need to host them before you can use them. I recommend http://www.imageshack.us use the 'direct link to friends' code and stick them in tags
it may have something to do with the swamp update a while ago, with the introduction of all those skill instructers. I had the same problem with a clue down there, turned out to be several squares north of where it was meant to be.