The profiles themselves aren't risky even though they're used by so many.
With dungeon botting, even a private dungeon farming profile will have the same ban results as these because dungeon farming is so predictable.
Dungeon farming in general is a bit risky and is only recommended if you're going to suicide bot.
Use a $4.99 battlechest account and have it deposit the gold. You'll be solid then and no doubt will make back the $4.99 + more.
At about 1,050 GPH - in a week a single farmer could potentially make 176,400 without interruptions. Well worth $5