The phrase "a one off purchase" is correct and usable in written English.
It is typically used to describe a purchase that is not intended to be repeated or is made only once.
Example: "I decided to make a one off purchase of the limited edition sneakers since I didn't want to buy them again."
Alternatives: "a one-time purchase" or "a single purchase".
These are designed to tax dirty vehicles more heavily through a combination of annual levies and a one-off purchase tax.
Its research found that one in three who spent the money put it into their property while just under a fifth put it towards a one-off purchase.
If a site gives you the choice to store your payment details or make a one-off purchase, you might want to opt for the latter.
While most infomercials peddled gimmicky exercise equipment like the ThighMaster, Daikeler was selling something stickier than a one-off purchase.
The subscription model offered by Vieve Protein Water includes deep discount of 20%, compared with buying a one-off purchase.
Targeting consoles also required some compromises - not least to the business model of the game, where a one-off purchase model worked more easily with console payment systems.
Of course, none of this is a subscription but rather a one-off purchase so you can re-up whenever you need without any commitment.
For now, Intuit sells its service as a one-off purchase for $249.95 (Mac version) or the SaaS-style QuickBooks Online starting at $12.95 per month.
A 1989 ban rules out international trade, but in 2008, China and Japan were allowed to make a one-off purchase of legally sourced African ivory, provided there was proper regulation of the domestic market.
A 1989 ban ruled out international trade, but in 2008, China and Japan were allowed to make a one-off purchase of legally sourced African ivory it is therefore increasingly difficult to determine the source.
The mere mention of the word conjures visions of gargantuan, gleaming vessels; sparkling, azure waters only accessible by the one percent; and perpetually sun-kissed beauties for whom Louis Moinet, Krug, and Hermes is a way of life (not just a one-off purchase).
