
Most tanks you want to upgrade to a better gun. That way when your starting a stock tank, you can use some of that free experience to boost the tank a little so it isn't stock right from the start. You always want to have a pool of free experience, the higher tiers you go, the more free experience you want to boost. Originally posted by EolSunder:don't waste free experience on useless stuff. Then sure, you used up 20k free experience on the tanks top gun right away, you'll get it all back as you grind the rest of the tank through and start on your next tank. That really should be the main thing you ever use free experience for is to research your tank out of sucky stockness right away. thus more damage, thus faster grinding, thus better results in the battle. You will always start with a stock tank that has a better gun already ready to go. This way, you never start off with a pure stock tank and have to grind it completely. Others that have a decent starting gun you want to up their speed if they are slow tanks, etc. Don't waste free experience on useless stuff.
