Refund/Exchange Request Email
Work & EmailWritingEveryday
Give the product, order details, the problem and what you want, and get a fact-based refund or exchange request.
Fill the blanks and it copies as you filled it
Write an email requesting a refund or exchange for a product I bought. - Product & purchase date: - Issue: - Requested outcome: - Attachments I have: - Output: one subject line + body in paragraphs, fact-based
0 of 5 blanks filled · anything left blank copies with its brackets
What this prompt does
Compared with asking the same thing without the length and format lines.estimate
Estimated output tokens
1,400
Asked loosely
700
This prompt
Energy (Wh)
1.215
Asked loosely
1.215
This prompt
Tokens estimated from characters; energy measured by Jegham et al. 2025.
A shorter answer, but the same energy band — the measurements are per band.
Reported backfire — Specifying output lengthSpecifying a length longer than needed backfires (a 34% increase in 11% of scenarios)
Where these figures come from
Published figures for the rule itself — not what this prompt saves.
Specifying output length
38.7%mean reduction · 95% CI 29.7–47.7%
Podder et al. 2026 BP#5 · 18 use cases / 57 prompts
by modelGPT-4o 35%Command R+ 49%Mistral-7B 32%
Reduced in every scenario. No backfire reported