Browse the marketplace
Every filter, sort option and offer field on the Rent GPUs page, plus what the catalog staleness banner is telling you.
Choosing a template
System templates versus your own, the gallery tabs, and how the deploy page checks a template against the machine you picked.
Deploy an instance
The deploy form field by field, the request it sends, and what happens between pressing the button and getting a shell.
Reading the cost estimate
What the live cost card on the deploy page counts, what it leaves out, and how to turn an hourly rate into a monthly figure you trust.