Personal finance experts are warning U.S. consumers that "buy now, pay later" installment plans may lead to significant financial strain if payments are missed.

These services have become a mainstream method for online shopping, but the convenience of deferred payments can mask underlying risks. When consumers fail to meet payment deadlines, they may face fees that accelerate debt accumulation.

Data from a Gallup survey indicates that around half of Americans have used these installment plans for online purchases [1]. While many use the service occasionally, 10% of Americans use BNPL plans frequently [1].

Financial professionals said the primary danger lies in the lack of immediate payment. A WalletHub managing editor said, "Buy now, pay later" payments could include late fees if you don't pay right away.

These fees can create a cycle of debt for users who struggle to manage multiple small payment deadlines. Because the services are integrated into the checkout process, users may overlook the long-term cost of the items they are purchasing.

Experts said that while the plans offer flexibility, they require strict budgeting to avoid the pitfalls of late penalties. The ease of access to these loans can encourage spending beyond a consumer's means, potentially impacting their overall financial stability.

Around half of Americans have used "buy now, pay later" installment plans for online purchases.

The widespread adoption of BNPL services represents a shift in consumer credit behavior, moving away from traditional credit cards toward point-of-sale loans. This trend increases the risk of 'invisible debt,' where consumers manage multiple micro-loans that may not be tracked as traditional debt but still carry penalties that can damage a user's financial health.