What common mistake do developers make with With method, why does the mistake cause problems, and what is the safer approach?

What common mistake do developers make with With method, why does the mistake cause problems, and what is the safer approach? One recurring problem with with method is applying it without understanding the boundary it protects. Adding eager loading everywhere without considering payload size; loading ten large relationships can be as problematic as under-loading. In addition, The with method tells Eloquent to retrieve selected relationships as part of the query plan rather than waiting for lazy access. Safer engineering approach: keep the responsibility in the correct layer, use the framework's supported API, validate and authorize inputs, avoid hidden side effects, and verify the behavior with tests.