[teekert]

I use Nginx either on my basement server (I have 50/50 fiber internet at home) or I use one of my digital ocean droplets, which can be as cheap as 5$ a month, that is less than my server at home uses in power. A Raspberry pi would also suffice if there is not too much traffic I guess, that would cost you about 10€ a year in power. Running a whole server means there is no limit to the amount of sites you can run (apart from memory and bandwidth of course.)

Both my servers (DO vps and basement) run Ubuntu 16.04, I use PHP-fpm for PHP, domains I purchase at a local registrar (.nl domains are about 10€/year), for ssl I use lets encrypt. For simple sites I always use Bootstrap for the css.

FTP is implicit if you count SFTP as FTP (FTP over SSH). Under Linux SFTP is mounted as easily as any network share.

At home I run a Nextcloud instance and share some directories as Nginx roots, that means I can locally (even on my phone) edit a static web page and it is synced immediately to the webserver's root folder. This can be quite convenient.