The phrase "than purchases" is a comparison between two things. It means that something is being compared to how much it costs or what it costs, in terms of money spent on buying it.
Sentences with «than purchases»
Rather than purchase expensive liability insurance, then, many small business owners choose to incorporate to protect themselves. (inc.com)
Keep in mind that car payments are determined using more than the purchase price of a new or used vehicle. (goodfinancialcents.com)
Heck, even if you couldn't make your monthly mortgage payments, you'd be able to sell your home for more than the purchase price. (thetruthaboutmortgage.com)