Campaign manager Chip Saltsman tells MSNBC some offered to receive less money, not get paid to aide campaign, but says he’s not worried — “We’re the one campaign that’s used to doing this on a shoestring.”

Huckabee is no longer organizing planes, buses for traveling press corps, isn’t running ads in Florida.

But: Huckabee pledges late Tuesday to remain in the race through next week’s Florida primary, despite grim financial situation.