See if any Newspapers will pay you to run your comic in their papers. See if the revenues for them will help offset your costs.

Offer a custom strip, where you make strips for people with your characters in them for $X amount of money. Sort of like doing personal portaits with someone else filling in one of the roles with their character.

Ask for donations, a lot of people out there don't want to miss the strip and will use Paypal or whatever to host it.

Oh yeah, the [link|http://www.netherworld.com/~mgabrys/clock/|Apple Doomsday Clock] is hosted at [link|http://www.netherworld.com|Netherworld.com] and he hosts all kinds of silly stuff on their servers and they don't apparently care about bandwidth or space.