You can absolutely do that. If you want to upgrade to a paid plan to get some of the features you want, then you can switch at any time through the My Products option in your account or with the help of a GoDaddy Guide. Once you upgrade your site will have all the same customizations and work that you've already put in place, just with the added features. See Website Builder plans and pricing for more info.
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As with backups, SSL certificates are not a necessary feature your web host must offer, this is especially so since companies like Let’s Encrypt offer them for free. However, if you’re looking to streamline the process of getting your site fully equipped and online in no time, the extra convenience of getting this certificate from your web hosting provider is a nice add-on.
With no page limit and 500 MB of space, you'll likely have more than enough space to build your site, and it even provides HTTPS/SSL encryption, meaning your visitor's information will be kept safe. Plus, you're able to integrate your site seamlessly with social media accounts. If you do decide to use Jimdo, beware of one thing: the builder prevents free websites from being indexed by search engines.
Yes, you can type “free website hosting” into a search engine of your choice, and you will get results. Don’t do it. At best, you will be stuck with shoddy service, semi-reliable uptime, and ridiculously short-lived storage and bandwidth capacities. The free options out there will frustrate you, and putting yourself through that makes zero sense when you can have quality hosting for as little as $2 a month.
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