Over a single day (day 8 free play):
Money collected: $7911.50
Highest elevation: 119475 feet (x119.47)
Run time: 1 hr, 26 min, 37.93 sec (x519.7)
Total earnings: $491'213'634.50
Over a single day.
The fuel sucker is a must-have, as soon as you can get any version of it, DO SO.
First buy: fuel, left rovket, right rocket, height.
You have to have a great deal of luck and an amount of skill, but it is possible to earn in excess of $1000 on day 1.
Part 3:
Spam soldiers if you want to hold off the enemies.
Once you reach dark elves, get a ton of archers.
Knight and elf archer are awesome.
Warriors are absolute s***.
The ram is awesome.
Pandora's box (from the market) is wicked-sick.
Part 2:
When thefootmen and guards reach the right hand side of the screen, they lvl up and teleport back to your holding bay thingemmy. You can then send their upgraded versions: soldiers and captains. They only lvl up once, after that they just teleport.
Bumper fun helper comment:
To use the tank, go to command armies, click the send button UNDER THE TANK PIC, then click the big send army button. Same goes for the spirit thing, but you need 12 of your guys to die b4 you summon it.