I thought it would be a good idea to start a thread on this to save all the various promotions. Please add to the list.
Hilton Honors
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5000 Bonus points
5250 total
Code: MUHZ010
Terms: 2+ day rental, 24 hour advance reservation
Exp: 12/31/2011
https://www.budget.com/budgetWeb/htm...promotion.html
Through August 15th, 2011
6500 Bonus Points
Code: MUHZ012
Terms: 2+ day rental
Exp: 8/15/2011
Continental Airlines
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Triple Miles
150 per day
Code: MUAZ031
Terms: 3+ day rental, 24 hour advance reservation
Exp: 12/31/2011
http://www.continental.com/web/en-US...romoCode=A8275
Southwest Airlines
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Up to Triple Miles
1-2 Days 600 points
3-4 Days 1200 points
5+ Days 1800 points
Code: MUAZ029
Terms, 1800 points for 5+ days
Exp: 6/30/2011
http://www.southwest.com/html/rapidr...get-rrr-3.html
US Airways
-----------------
Triple Miles
150 per day
Code: MUAZ043
Terms: 3+ day rental, 24 hour advance reservation
Exp: 12/31/2011
http://www.usairways.com/en-US/divid...rs.html#Budget
Amtrak
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Triple Miles
150 per day
Code: MUAZ074
Terms 2+ day rental, 24 hour advance reservation
Exp: 12/31/2011
https://www.amtrakguestrewards.com/earn/cars/budget
(I thought about not doing this, but some people just want to build a point balance to convert to another program. For example, you can do a one for one redemption for COAIR miles with Amtrak at 5,000 points)