"reasonable purchase" is grammatically correct and can be used in written English.
You can use it when referring to a purchase that is considered fair, sensible or justifiable. Example: "She decided to make a reasonable purchase and bought the dress on sale instead of the expensive one she originally wanted."
To get a Real Name, you must have a credit card on file or "a reasonable purchase history".
The best part about it is the price: the MSRP of $559 makes it a reasonable purchase for anyone who needs a computer that will cover the basics.
The way Teller sees it, those applications were what made computers a reasonable purchase for the first tens of millions of customers — but you couldn't look at them and predict the applications valuable to billions today.
I delight in my reasonable purchase of salad turnips.
Compare local prices with prices on Internet, and go for a reasonable purchase.
Our formula yields the same batch for $2.65, based on retail grocery prices (wholesale distributors wouldn't talk) and, given reasonable volume purchases at the local A&P, there would be plenty of ingredients leftover to make another batch or two.
If the cost is reasonable, consider purchasing it as you can use the stand again and again for tea parties, etc. Stands come in ceramic, plastic, acrylic, metal, etc.
Can the average homeowner with a reasonable credit score purchase distressed properties?
In their contracts, some airlines state they will allow you to purchase reasonable replacement items or perhaps (big deal) give you an "amenity kit," but recent US DOT directives have gotten tougher on airlines in such circumstances.
Any reasonable shopper would purchase the fresh, perfect apple instead of the rotting fruit that should be thrown out.
I would be really grateful for tips on what might make a reasonable investment in purchasing a radio.
