A great set-up for OSRS gold for sale Slayer that's relatively cheap is to put on a Slayer Helm, or Neitznot (sp?) Helm until you acquire the slayer's helmet, Amulet of Glory, Fighter Torso (can easily be obtained in a few hours), Torag's platelegs or Verac's Plateskirt in case you'll be using prayer in your work as it gives prayer bonuses, Whip/Dragon Scimitar Dragon Defender, and Dragon Boots as well as Obsidian Cape (unless you're wearing a firecape or skillcape).
It's important to remember that it's only a suggestion for equipment it is always possible to change things to a different level. For instance, you can change out your defender in exchange for Obsidian's shield if it seems like you'll require an additional boost to your defense, and you could also use dragon platelegs for your dragon if not want to fix the barrow's armor as it deteriorates during combat.
Also, if , for some reason, you don't have the required quests for the helms of the ship, do them. If you intend to perform any sort of killing, do this Smoking Kills quest as soon as you are able. Don't be afraid of trying out various methods and find what works for you.
The entire set-up will cost you roughly 2-2.5M which is an excellent overall setup for slaying. Remember to also use some of that cash to buy super sets (Super Strength/Attack/Defence potions) that you should be using on ALL your slayer tasks.
It could seem that old school runescape gold you are spending an amount of money at first, but it can speed up your work noticeably and is well enough in the end, as you'll be earning money from your slayers drops / clue scrolls anyway.