Hosting is not a big expense, though I recently migrated from Linode to GCP for redundancy and infrastructure-as-code (Kubernetes)[1]. This increased expenses substantially.
The professionally curated foods and CPG[2] source is a much bigger expense.
[1] Linode has since added k8s. I've always had a great experience with them.
[2] Consumer packaged goods, think items with barcodes.