Comparisons

Cloudways Medium is $54 a month for 4 GB and 2 vCPU; a Hostinger KVM2-class VPS is around $9 for 8 GB. The decision is labour, not hardware: the price gap buys 52 minutes of your month. With measured VPS benchmarks showing a 40x spread from caching alone, and a protocol for benchmarking any host yourself.

Both deployed on a live VPS under identical 1 vCPU limits. Cal.com idled at 1.05 GB of RAM with an 8.05 GB image; Easy!Appointments at 27 MB and 877 MB. Includes the reverse-proxy rate-limiter trap that returns 429 to every visitor, and its verified one-line fix.