This is the "high-fashion" version of WordPress and Wix. All the themes are clear, aesthetic, and like filling in blank spaces with your own words. If you're clueless in all things design, Squarespace takes your hand and leads you through creating your website without veering too far off from the theme.
You can change style colours, fonts, and add all sorts of paid add-ons if you're building an e-commerce site. I like the analytics page and the SEO page where you can add keywords you want to be found for. It's also very easy to integrate your own domain even if you got it elsewhere like GoDaddy or WordPress. If you don't have a domain, Squarespace lets you create one "free" with your paid plan.
There is an image editor built in so you can add filters, crop it, and other basic editing functions.
There is a trial version you can use, but you can't publish your website until you pay for a subscription.
You can't copy and paste a section, you have to re-do the entire section all over again. The predetermined widgets are also very rigid and you can't really customize them unless you know HTML/CSS.
Not being able to change the color of button text or change text color for individual places is definitely a limitation. I also don't see how to add alt text to images.
The price is rather high in comparison to other platforms.
If you want something clean, modern, and hard to get wrong, this will do nicely.
Professional website for my business. Looks very clean and modern.