Midnight & Micro-Tasks

Supermarket Shopping Cart Coin Lock Spring Tension Tester

Test spring retention clips on supermarket shopping trolley coin chains to ensure deposit keys do not fall out during transport.

Startup Cost: £0 Location: Local Difficulty: Easy Occasional pocket money Spare moments

Earning and time figures are our broad estimates, not guarantees — actual results depend on your area, your effort and demand.

Why it's left-field

Supermarket chains pay you to insert test coins into shopping trolley handle locks to check if chain springs hold coins tight.

How it works

  1. 1Accept local store equipment audit assignments on your mobile task board.
  2. 2Insert test release keys into trolley handle locks and measure spring tension.
  3. 3Upload audit checklists and flag loose coin lock mechanisms.

Official platforms

Get the Field-App Earnings Kit (£5)

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