Second this for most of my small and large purchases. Diabetes test strips and a kent bicycle were both the best price including walmart free shipping.
(Throwaway because I don't support Dang's tyranny against postings that run counter to his forced narrative.)
Spoken like the generation taught to not conserve data. /s
The phone itself could easily record the returned file size of all requests within a threshold. My old Note3 has these alerts built in with separate limits for mobile vs wifi.
(Throwaway because I don't support Dang's tyranny against postings that run counter to his forced narrative.)