Highly depends on which one you use to build with. Some falloff quickly and end up decomposing itself as it builds. The more complex it gets, the more problems start flowing in.
Discussion
This is very true. It helps if you've done it all from scratch imho, as you are able to guide it better. Still impressive what it can do.
Yeah, start from 0 with it. I was surprised at first and then watched it turn into a dumpster fire as original context was lost.
There's also https://lovable.dev
Pretty good for those who don't know exactly what they're doing.