From Fax Machine Chaos to $3,800/Month Recurring Revenue
40-year-old construction company client. Their document sources made me cry. THE FRANKENSTEIN INPUTS Fax machine from 1997 still receives quotes Email attachments in 12 different formats Photos from job sites with handwritten estimates on napkins Scanned contracts from the 90s Modern PDFs from new suppliers Excel sheets with bizarre macros Built the ugliest n8n workflow ever. 23 nodes of pure chaos. THE MONSTROSITY ARCHITECTURE 5 input nodes: Email, fax server, Dropbox, API webhook, manual upload 7 document detection types: Fax quality, photo, scan, PDF, Excel, Word, other 12 different processing paths based on document characteristics Fax documents get noise reduction plus OCR enhancement Photos get perspective correction plus handwriting OCR Scans get deskew plus quality improvement PDFs get standard extraction Tables get structure preservation Legacy formats get conversion first Validation layer with confidence scoring, human review queue, retry logic Output integration to their ancient ERP system using SOAP API from 2003 Email notification system with color-coded status reports IT'S HIDEOUS BUT PROFITABLE Monthly processing volume: 847 fax documents (yes really) 1,230 email attachments 456 job site photos 2,100+ total documents Results after 8 months: 97.3% processing success rate Saved 3 full-time data entry positions Client fee: $3,800/month API costs: $127/month Profit: $3,673/month THE UGLY TRUTH My prettiest 6-node workflows: Average $900/month My ugliest 23+ node monsters: Average $3,200/month Clean workflows impress developers. Working workflows impress clients. Current ugly workflow revenue: $14,800/month across 4 clients Pretty workflows: $4,200/month across 7 clients The construction client just referred me to 3 competitors. All have similar document chaos. What's your ugliest automation that somehow prints money?