Between game sessions your character may have the opportunity to engage in shopping, crafting, training or other pursuits. Exactly what is appropriate will depend on your campaign, so check with the DM if you can take advantage of any of these activities.
Remember to log anything you do outside of the game session into your character’s private channel on the discord server for the DM’s reference (and also useful for you to look back on later to remind yourself of what you did!). For crafting and purchases please list the name and price of the items (or items), the total price paid including any discounts or surcharges if applicable, and the gold you have remaining afterwards.