A 0% is always better than paying upfront. There is the money you make from your saving account, the safety of having more available savings...
The only downside of taking a 0% loan is if you're bad at finance and getting that loan makes you spend more. Either by buying something more expensive that you would without the loan, or buying more stuff with the money you didn't have to give upfront.
The only downside of taking a 0% loan is if you're bad at finance and getting that loan makes you spend more. Either by buying something more expensive that you would without the loan, or buying more stuff with the money you didn't have to give upfront.