The phrase "after one's purchase" means after making a decision or completing an action. It refers to a time period following a specific event, such as buying something new or making a major life change.
Sentences with «after one's purchase»
Purchase security — For up to 90 days after the purchase of an item, you may be able to get replacement, repair, or reimbursement. (upgradedpoints.com)
This date is typically greater than one year and often is many years after the purchase date of the annuity contract. (annuities.blueprintincome.com)
You also have just up to 60 days after the purchase of your tickets, to apply the statement credits towards it. (valuepenguin.com)