Better options to organize the "additional services" page

Since only one pre-established “bundle” can be selected on the main page, and adding a bunch of different bundles with different options would just make the main page look super cluttered, let there be better organization options on the “additional services” page rather than just the ability to re-order how add-ons are displayed to make it easier for clients to quickly understand and shop for add-ons. Right now the “additional services” pages look a bit overwhelming displaying just a list of 15 or more additional add-ons. I’m afraid even if the client already knows what they want they would just skip through the additional services just because there could be too much to scroll through. For example, give the option to add groups (like on the main order page) to separate the servies by type, I feel like this would make that page easier for the client to digest quickly and make a selection.