There are two types of personal reserves available for gold: Additional Experience per battle (large) and Additional Crew Experience per battle (large).
You can change the exterior of your vehicle by purchasing paints, styles and effects. They are only available for Tier 8 Premium tanks and Tier 10 vehicles.
You can change the name, surname, and portrait of any crew member.
You can change your Wargaming.net account name. A username change is available once every 14 days.
Purchased camouflage is automatically applied to a vehicle before a battle; it reduces vehicle visibility.
You can also apply one or several inscriptions and emblems to a vehicle depending on its type.
You can recruit more crew members by adding 16 bunks to your Barracks multiple times.
Crew members can be trained to 100% in their major qualification. Tank Academy allows you to retrain them for a new vehicle and save the earned crew experience.
Gold allows you to demount complex equipment and mount it on any other tank. Simple equipment can be removed for free.
You can spend gold to enlarge your Garage by purchasing new slots.
You can create your own clan and automatically become its Commander.