Get the quests mentioned on this thread done and then focus on Slayer.
Whilst you probably cannot make the entire cost of a Bond back in two weeks given your levels, you might be able to get some headway by collecting drops. You may also want to consider training Runecrafting (do so at Runespan) to get to the combination runes as these can be highly profitable, see: https://www.youtube.com/watch?v=QX7HIMpj3dQ . If you reserve a couple of days for that, you should be able to recoup the costs entirely.
Stand up for what is right, even if you stand alone