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Showing your last 21 days below. The verdict and percentile on Callsun Solar are measured against all rates we've ever recorded.
Cashback · by portal
Changes in the last 21 days
7 older changes are outside this window.
| Date | Portal | Change |
|---|---|---|
| Oct 3, 2026 | Bing Rebates | up from 6% to 8% Highest yet |
| Sep 26, 2026 | Simply Best Coupons | first seen at 3% |
| Sep 23, 2026 | Bing Rebates | down from 8% to 6% |
| Sep 22, 2026 | Bing Rebates | up from 4% to 8% Highest yet |