Yashdeep Singh

Case study, Micro-SaaS at BHT Berlin

VoltFix

A reorder bot for small businesses: it watches stock, proposes orders and asks for approval before anything expensive goes out.

Role
Team of five, flows and prompt
Stack
Lovable, Claude
Context
BHT Berlin module

The problem

Small businesses order when the shelf is already empty.

How we built it

Problem and usersWho orders, who approves, what goes wrong today
User flowsEvery step from low stock to delivered goods
The promptAbout six pages written with Claude: rules, data model, screens
Build in LovableDashboard, order overview and approval flow

What went wrong and how we fixed it

Problem

Lovable stopped following prompts.

Fix

One structured six-page prompt, written with Claude.

Problem

No real stock data to test with.

Fix

Buttons that simulate deliveries.

Problem

AI was too expensive.

Fix

Plain if-then rules. Cheaper and easier to trust.

Impact

Working MVP

From low stock to delivery.

1,644

Impressions on the LinkedIn post.

Lesson: a smart system doesn't need AI everywhere.