# Add-ons Selling add-on products is a very good tactical decision. It gives you an option to cross sell to your customer once they select a plan. If you SaaS tool needs some kind of implementation process and it is very tech heavy, you would want to offer an implementation service at a price. {Add a video} --- # Agent Instructions: Querying This Documentation If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question. Perform an HTTP GET request on the current page URL with the `ask` query parameter: ``` GET https://docs.priceops.net/documentation/pricing-operations/add-ons.md?ask= ``` The question should be specific, self-contained, and written in natural language. The response will contain a direct answer to the question and relevant excerpts and sources from the documentation. Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.