Add SmartBizCalc as real-world engineering-as-marketing case study - #39

On Jul 14, 2026, at 2:11 AM, galmorduku ***@***.***> wrote: SmartBizCalc (https://smartbizcalc.com <https://smartbizcalc.com/>) is a real-world example of the engineering-as-marketing playbook: 292 free business calculators built by one person, driving organic traffic with zero paid acquisition. Added to the Free-Tool Marketing section as a practical case study alongside the existing resources. You can view, comment on, or merge this pull request online at: #39 <#39> Commit Summary 110a45a <110a45a> Add SmartBizCalc as real-world free-tool marketing case study File Changes (1 file <https://github.com/EdoStra/Marketing-for-Founders/pull/39/files>) M README.md <https://github.com/EdoStra/Marketing-for-Founders/pull/39/files#diff-b335630551682c19a781afebcf4d07bf978fb1f8ac04c6bf87428ed5106870f5> (1) Patch Links: https://github.com/EdoStra/Marketing-for-Founders/pull/39.patch <https://github.com/EdoStra/Marketing-for-Founders/pull/39.patch> https://github.com/EdoStra/Marketing-for-Founders/pull/39.diff <https://github.com/EdoStra/Marketing-for-Founders/pull/39.diff> — Reply to this email directly, view it on GitHub <#39?email_source=notifications&email_token=BD42HD4OLMSNWJWYHDF7XUT5EX2KTA5CNFSNUABEM5UWIORPF5TWS5BNNB2WEL2QOVWGYUTFOF2WK43UF42DANJRGEZTMMRUGGTHEZLBONXW5KTTOVRHGY3SNFRGKZFFMV3GK3TUVRTG633UMVZF6Y3MNFRWW>, or unsubscribe <https://github.com/notifications/unsubscribe-auth/BD42HD3Q5XCKJBGD7XF5TQ35EX2KTAVCNFSNUABFKJSXA33TNF2G64TZHM4TQNRTGQ4TIOJQHNEXG43VMU5TIOBYGE2TQMRRGU2KC5QC>. Triage notifications, keep track of coding agent tasks and review pull requests on the go with GitHub Mobile for iOS <https://github.com/notifications/mobile/ios/BD42HD5M6IALNIC64DPWTQL5EX2KTA5CNFSNUABEM5UWIORPF5TWS5BNNB2WEL2QOVWGYUTFOF2WK43UF42DANJRGEZTMMRUGGTHEZLBONXW5KTTOVRHGY3SNFRGKZFFMV3GK3TUVJTG633UMVZF62LPOM> and Android <https://github.com/notifications/mobile/android/BD42HDY4OZXJNG4ZBE2EVBT5EX2KTA5CNFSNUABEM5UWIORPF5TWS5BNNB2WEL2QOVWGYUTFOF2WK43UF42DANJRGEZTMMRUGGTHEZLBONXW5KTTOVRHGY3SNFRGKZFFMV3GK3TUVZTG633UMVZF6YLOMRZG62LE>. Download it today! You are receiving this because you are subscribed to this thread.