Like redmag, the C-Fast is basically SATA, then it's a great opportunity to fix the pr in post while taking moar money.
On one hand you provide alternative media solution and maybe start to sell rebranded "tested" cfast cards, while also allowing cheaper brands.
On another hand you sell people a ~1000$/€ "cfast side module" which can replace the minimag side and it will work as both are sata anyway.
Make money when going uphill, make money when going downhill. Nice
Good start - mastering of this art is well represented by Leonardo Dalessandri in his Watchtower of Turkey.