Side Income Alongside a Job
A side income lives or dies on two numbers: how many hours a week you actually have, and what an hour of it earns. So every idea here states both — instead of promising passive income.
We picked models you can run on evenings and weekends, stop at any time, and that don't ask you to quit before you've seen the first money.
149 ideas in this theme
Idea #90309 min
Deep cleaning of flats and houses after renovation with industrial equipment
Specialised cleaning service for post-renovation cleanup — removing construction dust, mortar and adhesives from flats, houses and commercial spaces.
View the full breakdown — why, steps, risks & verdict
🔒 Available with PremiumGet Premium →
And 611+ more ideas waiting inside
Unlock the full databaseFrequently asked
?Can I run a business while employed?
Yes. Watch for a non-compete clause in your contract, and note that working in your employer's own field usually needs their consent. Otherwise a side income is your business.
?How much can you realistically earn?
For hourly services the median rate in the catalogue sits around €26 an hour; for per-unit making, the implied hourly most often lands between €12 and €20. Each idea carries its own figures.
?Do I need to register a business straight away?
Small occasional income has allowances in most countries, but once the activity is systematic, registration belongs to it. Thresholds differ by country — we flag the local rules where they matter.
