For most personal projects, hosting on the cloud may be overkill, but tempting with its supposed ease of use and benefits of scale. Self-hosting is often overlooked as a solution with the benefit of simplicity and cost.
Interesting discussion and demonstration of self hosting the kinds of apps most personal projects will end being.
Oracle VMs have a perpetual free tier. Even AWS’s non-free tier starts around $3/mo, similar for buyvm/DigitalOcean/linode/etc. There are MANY options that are way cheaper than $70… unless I misunderstood your requirements.