Digital Ocean may be quick and easy, but some of the other providers out there may give you a bit more bang for your buck.
DO - 45 collisions/sec on 8CPU/8GB ~ $0.2 per hour
Service 1 - 120 collisions/sec on 8CPU/8GB ~ $0.3 per hour
Service 2 - 200 collisions/sec 8CPU/8GB ~ $0.4 per hour
Do the math.