I did it and I would reduce to zero euros again at any time. Unplanned additional costs of the renovation had eaten up all buffers. Better that than refinancing. If not for something like this, what else is money saved for?
For example, if the car breaks down, worst case because you hit someone and don’t have comprehensive insurance...
It is never a good idea to completely deplete your savings because you think "I have a house now and am practically a millionaire"... that’s virtual, but not reality. Your house may be worth 5 million EUR after 2 years... if your account is empty, you still pay 15% overdraft interest on the overdraft or 5% for financing a new car...
PS: The same nonsense with liquidating a lucrative stock portfolio. Here people easily give up 5-8% returns over several years to get 0.2% better interest at the bank... unfortunately most people cannot think long-term and certainly not "in interest". Free yourselves from that and calculate it.
PPS: For all others who still have loans at 0.x%. It already makes sense now to put your money in daily allowance accounts instead of making special repayments. Currently daily allowance is already available at 1.5%. Simple math...