| What it does | Etsy fee calculator showing true profit after all fees including Offsite Ads
| Independent calculator to check if a home battery pays for itself in your situation
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| Stage | Startup
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| Founded | 2026
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| Based in | JP
| NL
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| Pricing model | Freemium
| Free
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| Pricing | Free: one-order calculator and listing score. Listing rewrite $2.99 for 10 rewrites or $9.99 for 40. Shop Audit $9.90 once with 14-day refund.
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| Key features | - Free single-order fee calculator with transaction, processing, listing, and Offsite Ads costs
- Free listing score (0–100) based on title, tags, and description
- AI listing rewrites with title, 13 tags, and description generation
- Shop Audit with live listings ranked worst-first by margin
- Suggested prices on thin or losing margin rows
- Pricing Bible and 1,200-row matrix
- Sold-order backtest from Etsy history
- Calculates 6.5% transaction fee on item plus shipping
- Supports UK and Germany payment processing presets
| - Compares battery models from 23 brands on payback time and net result after 15 years
- Calculates with real hourly EPEX prices for dynamic energy contracts
- Processes the end of net metering from 1 January 2027
- Provides negative buying advice if purchase is not worthwhile
- No account or email required
- Generates 10-page PDF advice report with lowest prices from 11 shops
- Free 22-page PDF handbook about home batteries
- Analyzes consumption and solar generation hour by hour for full year
- Three scenarios: pessimistic, most likely and optimistic outcomes
- Updates prices from 11 online shops every morning automatically
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| What makes it different | - Calculates 6.5% fee on total including shipping, not item price alone
- One-person operation with direct email support and no templates
- All free tools run locally in browser with no data upload
- No subscription; all paid products are one-time purchases
| - Truly independent: sells no batteries, has no arrangements with installers, publishes negative buying advice
- No personal data collection: zero signup required, immediate results without email
- Built from personal need: creator did his own calculations after a misleading sales pitch
- Comprehensive research: 384 example households analyzed in 26,112 calculations
- Shows all calculation assumptions: transparent methodology with public data sources
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| Community votes | 0 | 0 |
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| DR (Domain Rating by Ahrefs) | Not checked yet ● no change since last check | 16 ● no change since last check |
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| Trust Flow (Majestic) | 0 | 18 |
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| Citation Flow (Majestic) | 21 | 24 |
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| Referring domains (Majestic) | 10 | 18 |
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Canopio
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