See the local price, not your own
Set the country in the proxy username and the store renders its local catalog, currency and tax rules. City targeting in 137 cities covers delivery zones and regional promotions.
For daily checks of the same product list, static ISP proxies ($1.02/IP per IP for 30 days) give stable, trusted addresses with unlimited traffic.
A reliable schedule
Spread checks through the day instead of one burst, rotate addresses for public product pages, and keep a sticky session when a page needs a cookie set by a previous step, such as a postcode prompt.