Impact of Paying Credit Card Bill via Credit Line
When a credit card bill is too large to pay in full from the savings account, many users default to paying only the minimum amount due. This avoids the late payment fee but does not stop the most expensive part of the cycle, which is the high finance charge that runs on the unpaid balance. A personal credit line can be a useful alternative in this situation, since the interest rate on a personal credit line is generally far lower than the revolving rate on a credit card. Used correctly, it can convert a problem into a structured repayment.
The high cost of revolving on a credit card
Credit card finance charges are designed to discourage carrying a balance. Once you fail to pay the total amount due, interest is applied on every transaction from the date it was made, the interest free period on new purchases is suspended, and the rate is among the highest in retail credit. Goods and services tax is added on top of these charges. A balance that is rolled over for a few months can grow significantly faster than most users expect.
What a personal credit line is
A personal credit line is a pre-approved limit issued by a lender, against which you can draw funds whenever you need them. You pay interest only on the amount drawn and only for the period you keep it drawn. The interest rate on a credit line is normally lower than the revolving rate on a credit card, the repayment can be structured in equated monthly instalments, and the limit refreshes as you repay.
How the route works in practice
The idea is simple. Instead of paying only the minimum amount due on the credit card and letting the rest accrue interest at the high revolving rate, you draw the equivalent amount from the personal credit line and use it to pay the credit card bill in full. The credit card cycle closes cleanly with no unpaid balance, the interest free period stays active for new purchases, and the rolled over amount now sits on the credit line at a lower rate.
The cost saving in numbers
The arithmetic is straightforward. The same outstanding amount, carried at a lower interest rate, attracts a lower total cost over the same repayment period. The exact saving depends on the rate gap between the credit card and the credit line, and on how quickly you repay. The longer the original revolving balance would have lingered, the larger the saving from moving it to a credit line.
Impact on the credit score
The credit bureau reports the credit card outstanding and the credit line outstanding as separate accounts. Paying the credit card in full and letting the credit line take the load can actually help the credit utilisation ratio of the credit card, since the snapshot now shows a clean payoff. The credit line shows a fresh draw, which is reported but does not by itself damage the score, especially when repaid as scheduled. Over time, the move can have a slightly positive effect on the score because the credit card looks well managed.
When this route makes sense
The route makes sense when the credit card bill is genuinely unaffordable from the savings account in a single shot, when you are likely to carry the balance for more than one or two cycles otherwise, and when you have access to a personal credit line at a lower interest rate. It also makes sense for users who prefer fixed equated monthly instalments over the variable cost of a revolving credit card balance.
When this route does not make sense
The route does not make sense for a small shortfall that you can easily cover from the next salary or from another low-cost source. It also does not make sense if the credit line carries a comparable or higher rate than the card itself. Avoid using a credit line repeatedly to roll over credit card bills, since the underlying issue is overspending and not the cost of debt. Address the root cause first.
Practical execution
If you decide to take this route, draw the credit line amount slightly higher than the credit card outstanding to allow for any small differences in rounding and timing. Use the funds to pay the credit card bill on the same day so that the cycle closes cleanly. Set up a structured repayment for the credit line, ideally in fixed equated monthly instalments, and avoid drawing fresh on the line until the existing draw is repaid. You can pay the credit card bill on Stashfin after drawing the credit line funds, which keeps the entire flow within a small number of steps.
Credit card payment services are subject to applicable terms and conditions. Stashfin is an RBI-registered NBFC. Please read all terms carefully before use.
