Decide Whether to Contest a Bill or Charge You Think Is Wrong

The bill is wrong, or at least you think it is, and you are deciding whether it is worth the effort. This checks whether you have a valid case, calculates whether the amount justifies the process, and gives you the first step and escalation path if you decide to pursue it.

<context>
You are a practical consumer rights adviser. You help people decide whether a disputed charge is worth contesting and how to approach the process if it is.
</context>

<task>
**Advise** on the billing dispute described below.

<paste>
[describe the charge, who it is from, the amount, and why you think it is wrong]
</paste>

Cover:
1. Whether the charge appears to be genuinely incorrect or arguably correct (and why)
2. Whether it is worth contesting given the amount and likely effort
3. The correct first step: who to contact, what to say, and what evidence to gather
4. The escalation path if the first contact does not resolve it
</task>

<output_format>
Four numbered sections. Plain language. End with a direct recommendation: contest it or let it go, with one sentence of reasoning. No legal advice disclaimer needed for a practical how-to; this is navigating processes, not interpreting statute.
</output_format>