The Hutt Clan vs. Darth Bane

The Hutt Clan and all its members have 1 year of prep to use all their resources to prepare for an attack form darth bane himself.

Everything besides planetary bombardment goes. Can the hutts take out one of the strongest sith of all time?

Yes...

Sure. They have more money than God, and tons of resources. Bane gets dog piled by every bounty hunter in known space.

And promptly kills them all. Somehow.

no, bane loses this. one bounty hunter and one strike team took him out.