Automate subscription renewal reminders with Google Sheets and Slack

Tracks your subscription renewal dates and sends Slack reminders before you get charged again.

How the work actually flows

A straight line. Runs once per each subscription in the list; a person has to approve before it continues.

Pattern: Sequence (1) ยท Multiple Instances without Synchronization (12)

flowchart TD trig(["daily scheduled check"]):::trigtime s0[("check subscription list")]:::store s1[["calculate days until renewal"]]:::mi s2["send Slack reminder"]:::svc s3[("update sheet with new date")]:::store trig --> s0 s0 -->|"one per each subscription in the list"| s1 s1 --> s2 hg(("you confirm payment")):::human s2 --> hg hg -->|"approved"| s3 hg -. "sent back" .-> s2 out[/"timely reminders and updated sheet"/]:::out pay{{"avoid unwanted renewal charges"}}:::pay s3 --> out out --> pay classDef task fill:#e7f6fe,stroke:#34b8f0,color:#2c2a29 classDef svc fill:#f6f8fa,stroke:#7c8795,color:#2c2a29 classDef mi fill:#e7f6fe,stroke:#0079a8,color:#2c2a29,stroke-width:2px classDef human fill:#fff,stroke:#0079a8,color:#0079a8 classDef store fill:#f6f8fa,stroke:#0079a8,color:#2c2a29 classDef trig fill:#00a4eb,stroke:#0079a8,color:#fff,font-weight:bold classDef trigtime fill:#00a4eb,stroke:#0079a8,color:#fff,font-weight:bold classDef trigdata fill:#8ad4f5,stroke:#0079a8,color:#06314c,font-weight:bold classDef gate fill:#fff,stroke:#e8a23d,color:#6b4708,font-weight:bold classDef out fill:#1f9d6b,stroke:#167a53,color:#fff,font-weight:bold classDef pay fill:#06314c,stroke:#021f33,color:#fff
Starts itAn outside serviceRuns once per itemA personA record or sheetResultPayoff
Build size
Advanced

A larger build with multiple systems, AI reasoning, and custom rules.

Business functions
Messaging & NotificationsSpreadsheet & Database OpsScheduling & Calendar
Connects
Google SheetsSlack

The problem it solves

You're paying for a growing list of tools and memberships, and renewal dates sneak up on you. Without a system to track them, you either forget to cancel something you don't need or get charged before you're ready.

Who it fits

Freelancers, digital creators, or small teams juggling several recurring subscriptions.

How it works

  1. Runs automatically every day
  2. Checks your subscription list in Google Sheets
  3. Calculates how many days remain until each renewal
  4. Sends a Slack reminder 10, 5, and 2 days before a renewal is due
  5. Updates the sheet with the new renewal date once you confirm payment in Slack
What you get

Subscription charges you're never surprised by

You get Slack reminders before every subscription renewal so nothing ever bills you by surprise again.

What you get

Timely Slack reminders before each subscription renews, plus an always up-to-date spreadsheet of renewal dates.

What you need

A Google Workspace account and a Slack workspace.

We can build this. But should you?

The hard question is not how to build it. It is whether this is the right thing to build first.

That is what a Fractional Chief AI Officer figures out with you, before anyone writes a line of code.

Let's Talk Strategy

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