I would merchant an item, buy a 99 skill so I don't get bored while the item goes up in price. Sell item merchant another and if I already have 99 in that skill I would buy another 99. so on an so forth
A guy came for exchange student from France to my country and the teacher (she was new) saw that I was the one with the best English in the class so she partnered him with me so I could help him with his English (he spoke Spanish already) and a few weeks after school started he introduced me to Runescape which i didn't care because I didn't play much on the computer but gave it a try.
i do them everytime, don't want to regret when they disappear. it's a distraction from what I am doing. I missed the Turkey one (regret) and the easter 2008 (don't regret)
you can steal blood runes at the chaos druid chest and steal sharks at androgune chest and steal gems at androgune gem stall and nature runes at the nature chest. those are somethings you can do