What does the software or service do well? 1&1 IONOS provides an affordable way for businesses to get up and running. The web-based software makes it simple to create websites, manage domains, manage email addresses as well as a host of other things.
What does the software or service not do well? This really isn't a negative point, more of personal preference. I used their website builder to start and ended up switching to WordPress. The website builder is more than sufficient to build a website.
What do you wish you had known about the software or service before using? The only thing I would have wanted to know before starting my first website is that the website builder hosting package that is required is different from their WordPress hosting.
Have you used a competitor to the software or service? If so, how does it compare? I have used multiple different services to build websites. IONOS, in my opinion, provides the best bang for your buck.