You also don't have to be constrained by your domain name registrar.
You can also purchase web hosting (I'm a fan of Dreamhost) and you cna purchase email hosting (I use Fastmail) independently from your registrar.
That let's you not have all your eggs in one basket, and have providers that focus on specific products / functionality.
Setup is a bit trickier, but the are typically great guides available from those providers.
Just another idea...
How much is it? The email cost $26 for the year which was pretty cheap for me right now til I find alternative options. Honestly even spending ten bucks a month is too much right now til I find work. (Inbetween jobs)
I think that's much cheaper than Fastmail (although it depends on the plan you purchase of course). I've been with them for quite a while, so not sure what their current pricing is or any deals for new customers.