Home assistant slow best to start with new install

mostly the problems are related to SD Cards, so there is no reason to throw the whole configuration overboard. Just try to optimize your hardware. SSD is a good option, but not easy to setup Installing Home Assistant on a RPi 4b with SSD boot

With your installation method you could easily Backup and Restore (also in a new Installation during onboarding) from the UI Common Tasks - Supervised - Home Assistant