Splitting a purchase into four smaller payments can make a $200 expense feel surprisingly manageable, especially when only $50 is due today. But a buy now, pay later plan is still a form of borrowing, even when the offer advertises 0% interest. The danger often appears when several small payment plans overlap and start competing with rent, groceries, utilities, and other bills. That concern is becoming harder to ignore as buy now, pay later usage continues growing across online shopping. Before clicking that tempting checkout button again, take a few minutes to check these seven things.