How hard is it to put a pcm into a 2002 ford mustang and is it expensive?

How hard is it to put a pcm into a 2002 ford mustang and is it expensive?

$216.75 at RockAuto.com… Should be a plug and play operation in the passenger side footwell. The labor "book" only pays a half-hour or approximately $50 for the install.

As long as you power down the battery before swapping, should be plug and play as long as the new one is programmed to your VIN code.