Vipasanna is really a mind opener for any individual. I recommend every individual to experiment this methodology. It is just a mental exercise and practice makes it perfect. I regularly practice it and it have made a really a big meaningful impact in my life and work.
"Clone"
What you mean by that?
Are you going to duplicate the product?
Doubt it! Not only SAAS in every product there is an open market for alternate product atleast for 'popular products'. Alternate products just clone 'problem statement' and build their own version of the product solution.
In case of popular product, well developed or well defined domain first few steps of solution is going to be same which is unavoidable ex: A car will have four tyres. But, you have all the freedom to change it to be an electric car and make it better. This is how all better products are being made.
Any solution need product market fit, persistence, best engineering, trust among customers, support, experience etc.,
Spend your time in thinking "How this could be done better?". Then you need not clone any product. Almost all forms of idea is been tried in this world. We should try with our own skill set and experience.
What is the range of the wifi? Will I be asked to stand around bakery and tea shop to use it or it is available everywhere at all time? Already data rates are being slashed in big way in India by Jio. We can use 4G internet at the price of Rs.10 per day. They may slash further also. They can deliver the same service anywhere or everywhere straight to the smartphone without relying on other shops around. Your website do not have clarity on range and speed u support.
I like there system for deliverability too. They make you setup up the sending domain and verify it which really helps. Check out this tool if you are interested in deliverability: https://www.mail-tester.com/