We've covered that the pros far outweigh the cons. Pros being exposure which can bring credibility, ability to be accessible 24/7 as well as sell 24/7, showcase your work, the ability to network with your clients. Ability to be found quickly if structured properly. The cons, website maintenance and the consistency of content being developed and distributed.
No - you do not need a website for your business. You do not need a cell phone and you do not need a vehicle. Society is taking advantage of technology. Have you ever heard a teenager ask for a phone book? Society uses the tools that is convenient to their life. The questions is will you be found by them when they need your service.
In short - you! You know your business, you know what sells, you know your customers pain points. Use your website to convert website visitors into paying clients. Your local business website is where you become a "Virtual Salesman" Your opportunity to have them contact you. The question then becomes, can you close?
A website for your local business can be a tremendous platform of marketing. Like any other business, it will take you, your team and your business to deliver quality products and services. The website will not do this for you. People, not websites are the true base of any business. Your website is nothing more than a virtual business card with perks.