Supplying customers on credit has advantages: you can trump the competition or offer more financial leeway to your customers.
However, it can also have a negative effect on your liquidity. By making this delivery, you also create an outstanding receivable. This receivable has a negative effect on your liquidity: it is a debt that will only be paid at a later date. Moreover, you expose yourself to credit risks such as late payment or no payment at all.
Read how trade credit insurance improves your liquidity.