Should I turn my motivational/accountability texting service into a startup?

I'm a certified personal trainer and life coach. I personal train clients in-person and mentor people mostly over the phone in areas such as diet, fitness, and motivation.

Just this year, I suggested my clients text me daily progress updates whenever they want and I'd respond accordingly. I'd say 80% of my clients text me their daily progress (like how well their diet is going or what they completed for a workout that day). It's been a huge help keeping them motivated and accountable.

Some of my clients have mentioned me to their friends, family, and co-workers and a handful of these new people have been interested in JUST my texting service - which I didn't even think was a service to begin with. I just see/saw it as a bonus for the clients I see regularly.

So my question is, should I make this into a website, service, or startup somehow? I'm not really sure where to begin if I were to do something technology wise. I just want to help whoever wants to be helped.

Thank you!! And sorry for the long note!