# BlueAnchor guides

Canonical: https://blueanchor.app/guides

> Plain answers on receipts, records, mileage and running more than one
> business in Canada and the United States. Every figure links to the CRA or
> IRS page it came from.

- [Can you use one card for two businesses?](https://blueanchor.app/guides/one-card-two-businesses.md)
- [A sole proprietorship and a corporation at the same time](https://blueanchor.app/guides/sole-proprietorship-and-corporation.md)
- [CRA receipt requirements](https://blueanchor.app/guides/cra-receipt-requirements.md)
- [How long to keep receipts, CRA and IRS](https://blueanchor.app/guides/how-long-to-keep-receipts.md)
- [CRA mileage rate 2026](https://blueanchor.app/guides/cra-mileage-rate-2026.md)