Thanks for the tips, appreciatedYeah, pretty much it. I would add the daily island as well, sometimes 1 of the 3 gives you gold. And the random gear sale on the AH as well. You should be alright at T1 and T2, there's almost no gold usage from honing there.
Once in T3, I recommend to buy maps from T1/T2 with rift pieces (you get these doing the Chaos Gate event, and every major city has one trader). You can sell all the mats you get from these maps for a nice sum of gold, right now the shard bags still sell fairly well.