I use this 3-step process every time I travel to a new destination and need a local SIM.

Step 1: Verify the list of most reliable local telcos
Step 2: Compare rates at eSIMDB vs my current prepaid roaming deals vs Perplexity eSIM recs
Step 3: Pick the best option and install new eSIM before takeoff

It saves me time and keeps me focused — especially when after landing everyone is trying to sell (or rather scam) me an overpriced and defective SIM plan.