Use when the user is working with Spree 6 pricing — variant prices per currency (price_in, amount_in, set_price), compare-at/sale prices, multi-currency, price lists and price rules (market, channel, volume), catalog-owned price lists for B2B/wholesale, percentage price adjustments, quantity breaks / volume pricing, scheduled sales, the pricing context and resolution order, external pricing providers, bulk price updates, and EU Omnibus price history (prior_price).
