Every item bought has an initial purchase price, which is the money that leaves your bank account.
They also have maintenance and headspace costs. This is time spent keeping the thing working, and time spent thinking about maintaining, storing, or transporting the thing. Even if these costs are low, they exist.
We often focus on initial purchase price and give little thought to the other costs. But it’s worth tallying up the total cost of ownership, and figuring out if we’re willing to pay it or not.