Short answer: if you want customers to find you, trust you and contact you without an algorithm deciding whether they see you — yes. Here is the honest version of why.
Nobody can suspend, throttle or delete your website. It is the only channel that is fully yours.
People search for what you do. Only a real website can appear for those searches with your own pages.
Hours, services, prices, service area, policies — answered before anyone has to call you.
Forms, quote requests, bookings and calls, working while you sleep.
A professional site plus a domain email is what separates a business from a side hustle.
Grants, city contracts, vendor applications and partnerships routinely require a website.
A site with a broken form, no phone number, 2019 hours and a "Not Secure" warning costs you customers. If you are going to have one, it needs to load fast, work on a phone, say clearly what you do, and give people one obvious way to reach you.
That is the whole reason Wake Hustle Grind bundles the domain, hosting, SSL, email, backups and maintenance together — so the site stays as good on day 400 as it was on day one.