It's quite a dilemma when you want stuff, but you don't want to pay full price for it. Not much we can do to help you in real life, but there are plenty of sales on apps and games. In fact, we've got a whole list of such sales assembled down below.
Apps
SleepCloud Backup – $0.99 from $1.99
Lightning Launcher eXtreme – $1.49 from $2.99
Mobile Observatory – $2.27 from $5.27
ABBYY Lingvo Dictionaries – $0.99 from $5.99
Games
GA2: Siege of the Necromancer – $1.99 from $5.99
Samurai II: Vengeance – $0.99 from $2.99
GetWater! – Free from $1.99 (Amazon)
Slydris – $0.99 from $1.99
CRUSH – $0.99 from $1.99
Fireball SE – $0.99 from $1.99
SideSwype – $0.99 from $1.99
Bombcats: Special Edition – $0.99 from $1.99
Ballistic SE – $0.99 from $1.99
Inferno+ – $0.99 from $1.99
Imperium Galactica 2 – $1.99 from $3.99
Earth And Legend – $0.99 from $6.99