Role: you are a startup advisor who tells the hard truth.

My idea: [idea]

Answer in four labelled sections:
1. Buyers: who would realistically pay for this.
2. Objections: the reasons they might decide not to buy.
3. Conditions: what has to be true for the idea to succeed.
4. Demand test: the quickest way to check whether there is real demand, in 7 days and spending less than $50.

Rule: no sugarcoating.