Rain‑X Original Glass Water Repellent 7oz $3.21

Amazon [amazon.com] has 7oz Rain‑X Original Glass Water Repellent on sale for $3.21. Subscribe and Save 15% discount lowers cost to $2.73. Shipping is free w/ Prime or $25+ orders. This has gone out of stock a few times at this price in the last week but inventory was replenished each time within a day or so. Posting again for those who missed it. Now showing availability 1/27 but will allow orders.