Short version: your email keeps working, your online store keeps working, and the switch itself takes minutes. The one thing that does break, if nobody plans for it, is your old links.
Most of the businesses I work with have been sitting on the same site for years. Not because they like it. Because replacing it sounds like the kind of thing that goes wrong at 4pm on a Friday and takes the phone number with it. Here is what actually happens.
Your email is not part of your website
This is the first question every time, and it is the right one to ask. For a lot of small businesses, losing email for a day is a real problem in a way that losing the website for a day is not.
Your domain has a short list of settings behind it. One line says where the website lives. A different line says where the email goes. They are separate. Changing the first one does not touch the second.
Daves’ Bakery in Campbell River had been on the same site for thirteen years, with their email running through the same old host. On launch day I changed exactly two lines: the one pointing at the website, and the www version of it. Every mail setting stayed untouched. Their email never went down, and neither did the bakery’s morning.
The catch is that it has to be checked first, not assumed. At Soma Active Health, the clinic’s mail was pointed at the same server as the website, so that had to be moved before anything else changed. Do it in the wrong order and the clinic loses email on launch day. That is a five minute job if you look, and a bad week if you do not.
The systems you already run stay where they are
If it works and your customers already know how to use it, it should survive the rebuild.
Daves’ set up a Square store and pre-order forms over a single weekend during COVID, and both had been running fine ever since. I did not go near them. The new site points at the same store, the same forms, the same everything. From a customer’s side, ordering did not change at all.
Same with Soma’s Jane App booking, and the Square Appointments calendar behind Figs & Honey. A rebuild is the website, not the machinery attached to it.
What does break: your old links
This is the unglamorous part nobody warns you about.
Daves’ had three press articles and a group order form saved as PDFs, all living inside the old WordPress install. The moment the domain pointed somewhere new, every one of those links would have died. Anyone who had bookmarked one, any other site linking to them, and Google, would all have hit a dead page.
The fix is easy: move the files onto the new site before launch, so the links keep working. Easy, but only if someone thinks to check. That is the difference between a clean switch and one you find out about three weeks later.
Should you just patch the old one?
Sometimes, and I will tell you when. If a site looks tired but sits on a platform that still gets updates, a tune-up is cheaper and faster than a rebuild.
Two situations where patching is throwing money away:
The platform has stopped moving. Daves’ host could not run the version of PHP that modern WordPress required. That is not a bug you fix. It is a dead end with an update reminder attached.
It has been broken into. Figs & Honey had spam links injected into her contact page, without her knowing. Cleaning out a compromised install is a bet that you got all of it, and you do not find out you lost that bet for months. Replacing the platform ends the argument.
How long it takes
Daves’ Bakery went from “yes, let’s do it” to live in six days, and that included their own feedback along the way, sent by email between bakes. They are in the bakery from 3:30 in the morning until about noon, so the whole project ran around their hours. The domain switch itself happened during one phone call.
A landing page is about a week. A full site is usually two to three. The part people brace for, launch day, is the shortest part of the whole thing.
The actual reason to do it
Not because your site is old. Because it is costing you work you never hear about: the customer who searched, found something that looked abandoned, and called someone else instead.
If yours is a few years past its best and you want to know whether it needs replacing or just fixing, send me a note with the address. I will tell you which one it is, and I will say so if the answer is that you do not need me yet.