PromptMart
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Jin Castillo

Helping teams get real output from AI: finance, exclusively in ChatGPT. Free updates on every purchase, always.

1 sales5 prompts0 followers☆☆☆☆☆NewReplies within 12 hoursJoined Jul 10, 2026

Prompts by Jin Castillo5

ChatGPT
Freelancer Taxes Investor Update Writer Generator

Crisp monthly investor updates for freelancer taxes companies that build trust in good months and bad. Built for individual investors working in freelancer taxes, tuned for ChatGPT. Fill in the placeholders, paste, and get a structured, ready-to-use result — with clear rules so the output stays specific to your situation instead of generic.

📈 Finance1 sold
☆☆☆☆☆New$8.00
by Jin Castillo
ChatGPT
Agency Finances Pricing Model Analyzer Blueprint

A pricing review for agency finances offers: margin math, packaging and what to test first. Built for founders working in agency finances, tuned for ChatGPT. Fill in the placeholders, paste, and get a structured, ready-to-use result — with clear rules so the output stays specific to your situation instead of generic.

📈 Finance0 sold
☆☆☆☆☆New$16.90
by Jin Castillo
ChatGPT
Construction Job Costing Budget & Forecast Builder Assistant

A driver-based budget and 12-month forecast for construction job costing, with scenarios. Built for founders working in construction job costing, tuned for ChatGPT. Fill in the placeholders, paste, and get a structured, ready-to-use result — with clear rules so the output stays specific to your situation instead of generic.

📈 Finance0 sold
☆☆☆☆☆New$13.49
by Jin Castillo
ChatGPT
Restaurant P&Ls Financial Health Audit Builder

A structured audit of restaurant P&Ls numbers: what's healthy, what's leaking, what to fix first. Built for freelancers working in restaurant P&Ls, tuned for ChatGPT. Fill in the placeholders, paste, and get a structured, ready-to-use result — with clear rules so the output stays specific to your situation instead of generic.

📈 Finance0 sold
☆☆☆☆☆New$9.90
by Jin Castillo
ChatGPT
Real-estate Investing KPI Dashboard Designer System

The right KPI set for real-estate investing with definitions, targets and an owner for every number. Built for freelancers working in real-estate investing, tuned for ChatGPT. Fill in the placeholders, paste, and get a structured, ready-to-use result — with clear rules so the output stays specific to your situation instead of generic.

📈 Finance0 sold
☆☆☆☆☆New$7.49
by Jin Castillo