Sam Walton was 44 when he opened the first Walmart, and Colonel Sanders started the KFC franchise when he was 65 and he said "Don't give up when your 65, maybe your boat hasn't come in yet". It is never too late to stop trying, and something that I have learned is that if you really want something go and get it no excuses! I do understand your point of the digital era and how E-Commerce has began to completely take over the consumer world. Building a scalable business model is crucial to success, but that does not mean everything you do has to scale.