Make enabling changes well ahead of time to reduce anxiety so you can have managed emotions when deciding
Where able, and to the extent matching what would be required:
- adjust cost of living (e.g. living on your "what if" budget)
- try out the commute
- act like a tourist in your city
- travel the same distance to a grocery store as you would
You only need enough to feel you understand of the consequences of the decision. You'll make more realistic decisions and be less prone to grifters during the process.