Source: spent a several days in December cost modelling a few services for a client, was surprised by the result
I mean granted I've only done rough guesstimates for some toy applications for myself and some friends and family, so I could be totally off base here.
Nah. I pay monthly, include monthly pricing. I can probably set up an nginx/varnish instance faster than I can calculate the monthly cost when you're billing by the hour.
One thing that is nice is the automatic failover (of the routing stack) when a VM or datacenter goes down.
Essentially what I'm after is Digitalocean's load balancing per-domain rather than per-infrastructure
If it was my own stuff I'd just do it myself, work can afford the premium if it includes a support team when things break