The phrase "when on sale" is grammatically correct and can be used in written English.
It is often used to indicate the time or occasion when an item is available for purchase at a discounted price. Example: "I'll buy that dress when it goes on sale next month."
Consumers can purchase a two-liter bottle of soda at stores for under $2 — even less when on sale.
When on sale in the App Store, the Flappy Bird game was initially free, while the cost of a brand new white 16GB iPhone 5S is currently $649.
Some tweeted that going through the ticket buying process was "pain free" in comparison to last year, while others cursed the 'sold out' sign that appeared in less than half an hour after the tickets when on sale at 9am.
This blend of Ugni Blanc and Colombard is a simple, refreshing white for sipping or noshing, and it is a great value when on sale for even less than the suggested price.
Most everything continues increasing in price from month to month … including household cleansers such as dish detergent, which costs more than before and is now very diluted; frozen (processed) food is still cheap, when on sale.
I value-shop, so I buy when on sale and rotate through the strains that have the highest pain-reducing qualities.
The most successful investors have bought stocks when they were "on sale".
(Simple but profoundly rational -- buy a wonderful business when its on sale).
Thresh can be purchased in the in game store for either 975 RP or 6,300 IP (when not on sale).
Purchase rabbit pellets when they're on sale and/or when you have coupons to help lower the price!
61.4% of the sample usually buy clothing when it's on sale; 23.8% only buy clothing when it's on sale.
