I'm similar but my ratio of prototypes to launching is higher. I find it helps to pace yourself, it increases the chance of finishing exponentially. But the most important things is good scoping and resisting gesture creep. After 35+ years I'm now really good at both. My list of projects is at https://www.gingerbeardman.com and details of my 2023, the year one of my projects got Game Of The Year, are at https://news.ycombinator.com/item?id=39636937