> For the complete documentation index, see [llms.txt](https://bitfunded.gitbook.io/support/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://bitfunded.gitbook.io/support/common-questions.md).

# Common Questions

- [How many challenges I can purchase?](https://bitfunded.gitbook.io/support/common-questions/how-many-challenges-i-can-purchase.md)
- [Why did my orders not receive?](https://bitfunded.gitbook.io/support/common-questions/why-did-my-orders-not-receive.md)
- [What should I do to enter the next stage?](https://bitfunded.gitbook.io/support/common-questions/what-should-i-do-to-enter-the-next-stage.md)
- [How to withdraw?](https://bitfunded.gitbook.io/support/common-questions/how-to-withdraw.md)