# Jumpstart > Empower yourself with expert-led courses. Unlock limitless potential and share the journey with others. Prices are in USD for United States (tax added at checkout). Also sells in Argentina (ARS), Australia (AUD), Brazil (BRL), Canada (CAD), Switzerland (CHF), China (CNY), Colombia (COP), Spain (EUR), Indonesia (IDR), India (USD), Italy (EUR), South Korea (KRW), Mexico (MXN), Malaysia (MYR), Nepal (NPR), Poland (PLN), Portugal (EUR), Sweden (SEK), Thailand (THB). Languages: en, it. Prices on pages are for the default country. For live prices and stock in another country, use the catalog API with `?country=`. ## Shop - [All products](https://railsdoesnotscale.com/home/shop) - [Leonardo da Vinci](https://railsdoesnotscale.com/home/collections/leonardo-da-vinci) - [Michelangelo](https://railsdoesnotscale.com/home/collections/michelangelo) - [Banksy](https://railsdoesnotscale.com/home/collections/banksy) ## Policies - [Instructor Collaboration Agreement](https://railsdoesnotscale.com/legal-agreements/54) - [Affiliate & Brand Ambassador Agreement](https://railsdoesnotscale.com/legal-agreements/55) - [test](https://railsdoesnotscale.com/legal-agreements/79) ## For agents - [UCP profile](https://railsdoesnotscale.com/.well-known/ucp): Universal Commerce Protocol discovery, with catalog search and lookup. - [Catalog API](https://railsdoesnotscale.com/api/v202604/products): JSON products with live prices and stock. `?q=` searches, `?country=` and `?lang=` set the market and language. - [Cart and checkout API](https://railsdoesnotscale.com/api/checkout/v2026-04/carts): create a cart, add items, set the address and shipping, then complete checkout without a browser. - [Storefront API reference](https://storage.googleapis.com/fluid-public/docs/api/storefront-v2026-04.yaml) - [Checkout API reference](https://storage.googleapis.com/fluid-public/docs/api/checkout-v2026-04.yaml) - [Sitemap](https://railsdoesnotscale.com/sitemap.xml): every public page - Every product, collection, category and page URL above also has a `.json` version with the same data. - Add `.md` to any product, collection, category, page or blog post URL, or open https://railsdoesnotscale.com/home/shop.md, for a markdown version with live prices for `?country=`. Link shoppers to the HTML page, not the `.md` URL. - To send a shopper to a page, link its HTML URL as given. Keep any rep path (`/{rep}/...`) in it: the path carries the rep's attribution.