It's not like apps are expensive compared to a lot of other items, some of which you probably get less use out of. Saving $0.99 on a game doesn't just mean you saved $0.99 – it means you won. You beat the system. Take that, establishment! Now you can fight the man with a new round of sales.
Apps
VideoRegPro – $0.99 from $4.95
Games
Dr. Panda's Beauty Salon – $0.99 from $1.99
Dr. Panda's Restaurant – $0.99 from $1.99
Dr. Panda's Hospital – $0.99 from $1.99
Dr. Panda's Veggie Garden – $0.99 from $1.99
Tangled – Free from $0.99 (automatic in-app upgrade to pro version)
FINAL FANTASY IV – $10.99 from $15.99