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This one occurs frequently, it does not prevent the product from being live on google but by ensuring you have the correct google categories will mean greater query matching.
Q. What is the difference between POI Admissions & Experiences vs Operator Booking Module? A. The admissions section is where your products will feature if they provide direct entry to the Point Of Interests (POI’S). The operator booking module provides a way for tour operators to display their products on their own Google Business Profile entry. Alongside the tour operator products, tours provided by this operator through different OTAs are also displayed.
The Admission Section
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The Operator Booking Module
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Q. Why aren’t all my products showing in the Booking Options section on google. A. The operator booking module can only list up to a maximum of 10 products from the cheapest price at the top. For example, if you have 10 products but only 8 were showing in that feed, 2 of your products are more expensive than the others in the module so therefore they will not show in this list. Google State that “Rankings are based on prices, and if prices are same, multiple factors like data quality (we cannot disclose the exact rules for ranking and they are frequently updated) can be taken into account to rank the products under the Booking Modules”. Example below.