Watch your organizations:
Use the "Show Organization" tool box button to keep
track of the various units to keep them within their
respective command radius.
If at all possible, keep regiments within the Command
Radius of their brigade leader, and brigade leaders
within the command radius of their divisional leader.
This helps prevent undue routing & disrupting, and aids
Place your artillery units carefully:
Use the "Check LOS" tool box button to "test" the lines
of sight from various vantage points. The more you have
to move an artillery unit the less use it can be.
Keep your reinforcements in mind:
Use the "Reinforce" pop-down menu to check on the arrival
time and location of any reinforcements you're scheduled
to receive (if any!). The proper use of your reinforcements,
may be the key to winning or losing.
Keep a reserve:
If at all possible, keep a reserve, whether on offense or
It just makes good common sense to have a readily available
force to "plug" the gap created by an unexpected rout, or
to have some fresh troops to throw into that breakthrough.
Watch your units facing!:
Facing in Gettysburg is critical (for infantry, cavalry and
artillery). Always check the facing/formation icon for each
unit as you select it (in the Unit List's icon display area).
More than once I've had enfilade shots at opponent's units
because they did not have them properly positioned.