Flat-Per-Shop, BYO-Payments Print Shop OS

People already pay for this, but the low-price wedge is already occupied and a new entrant must beat YoPrint's $59/mo annual floor, not just Printavo's $109-244/mo. Printavo reports 3,000+ shops and 29.5M+ orders processed (source 5, opened); YoPrint reports 500+ shops, 400K+ invoices and $650M+ payments (source 15, opened) and is estimated by GetLatka at ~$1.2M revenue (source 13, opened; GetLatka states it is not an interview-based figure; Tracxn ~$1.38M, login-gated); the category consolidated into PE-backed Inktavo, which merged with OrderMyGear on 21 Oct 2025 with PSG/Blue Star/SGE backing (source 11, opened). Complaints exist but most are secondhand: Printavo reportedly moved a shop onto 'a higher priced tier with options we don't use or want', a shop calls it 'not worth what we're paying', QuickBooks sync reportedly failed for over a year forcing manual entries, InkSoft users report 'data leak, price gouging, bad support, lack of updates', and Capterra warns 'Migration is expensive' and notes no Canada merch store. The problems with the idea: the undercut is grounded in Printavo's documented $109/mo/20-quote Lite cap but YoPrint already sells unlimited orders with BYO processor from $59/mo annual, so 'flat + BYO payments' is not novel and the margin is thin; the QuickBooks-sync reliability angle is the most defensible differentiator but requires verified engineering the incumbents have struggled with; and switching cost is real per customer reports.