As playing piano for over 50 years - here some arguments. Maybe it could help you if you want to buy a new piano. Many years I was obliged to practise on digital pianos but 2007 I had the great chance to get again a grand piano - with the right room.
Still a very good thing is to RENT first a piano before buying. So you have time to decide. Also for children it is a good solution that you can see if the child has really interest in playing. But for serious practising I still recommend to rent or buy a acoustic piano. The touch response and dynamic is just never the same on digital pianos. And if you practise very hard no digital piano will hold more than about 5 years* (I killed already 2 of them). Of course it depends on your possibilities of money and room. A very good alternative is to buy a renewed piano from a master like Black & White Piano. The price is much cheaper than an new piano but almost like new with new mechanics, new outfit etc. They ship also worldwide.*For 1 acoustic piano that holds about 100 years you would have to buy up to 20 digital pianos!
one of the renewed pianos of Black & White piano/Czech Republic
My favorite pianos are FAZIOLI pianos. They have a quiet different sound than Steinway pianos. Of course it is a matter of taste and it depends on what kind of music you play! Also Boesendorfer, Kawai and Petrof pianos I like very much. They have a very deep sound with a lot of bass. Not so good for Mozart and early classic but for romantic music and Impressionism very powerfull. See also my video PETROF PI extended bass range.