How a comparison is made
A comparison needs an exact product, a destination market and evidence for each offer. Live market pages follow these rules, and any example elsewhere on the site is labelled as one.
What the figures mean
- Exact product and market
- A variant, pack, condition and destination can change the comparison. Public offers belong to a stated country and currency; we do not mix markets into one unlabeled list.
- Price and unknown costs
- When the service has every required component for the stated context, it returns a delivered total. A missing delivery charge, tax or mandatory fee remains unknown, never zero. An offer with an incomplete total stays visible and is labelled incomplete.
- Order and coverage
- The default comparison places offers with complete delivered totals in ascending total order, followed by clearly marked incomplete totals. Slower delivery or missing service evidence does not silently remove an eligible offer. We will state which authorized sources and merchants are covered; the list is not a claim to include every shop.
- Order of product lists
- A search without text, a category and the market home list products that most merchants offer first; categories that hold accessories follow the others, and products with the same number of merchants are ordered by name. A search with text puts an exact match of an article number or product name first, then the closest matches to the text. You can choose another order in the sort box: by delivered total, item price, date added, name or a specification. A store page lists that store's offers by lowest delivered total. Commission and payments from merchants are not an input to any of these orders.
- Sources and history
- Commercial facts carry a source and an observation time. A history series starts when observations begin and may have gaps. It does not prove an all-time low or a continuous price. Uncertain product identity is reviewed before offers are combined.
How Tallybuy earns money
We earn commission when a visitor follows a merchant link, which is an affiliate link, and completes a qualifying purchase with the merchant. Tallybuy does not receive payment to move an offer higher in the default price order. How affiliate links work.
Commission and source permissions may limit which merchants we can display. The coverage page states which markets and sources are live.