I build the small things
nobody got around to.

Getting a refund is not hard because the rules are complicated. It is hard because companies make it expensive in time — the phone number is three menus deep, the chatbot is designed to outlast you, and the refund window closes while you are still being transferred.

Sula removes the cost rather than the rules. It sits quietly until you need it, then hands you the contact, the deadline, and the letter. Roughly 20 hours a year back, and nothing leaves your machine except a license check.

The entire backend is a single CloudFormation template. It creates the table, both functions, the API, the daily schedule, and scoped IAM roles in your account — nothing reports back to mine.

• Reminders at 7 days, 1 day, and day-of, sent server-side
• Cloud sync, so the list survives a cleared browser
• Import .ics, .vcf, or CSV; export CSV plus a restorable JSON backup
• No login step — the password is baked in at build time from a repo secret
• Idempotent sends: one marker per person, per year, per offset, so a retry never double-sends

Every service is pay-per-request or inside a permanent free tier, and a household-sized list does not come close to exhausting either. Lambda, DynamoDB, API Gateway, EventBridge, SES and CloudWatch all land at zero. SES bills $0.10 per 1,000 emails, so thirty reminders a month rounds to nothing. Cost Explorer reports $0.00 against the live stack over the last 30 days.

The only real costs are optional: a Route 53 hosted zone ($0.50/mo) and a domain (~$12/yr), needed only if you want mail sent from your own domain — worth doing, since mail sent as a gmail.com address through SES fails Gmail's own DMARC policy and lands in spam.