Consulting starts cheap — no stock, no machines, just the experience you already have. The catch is what you are selling: your own hours. However high you push the rate, the day still has the same number of hours, and illness, holiday or a quiet month lands straight on your income.
Here are 50 ideas, from bookkeeping and marketing advice through technical audits to coaching and training. Each entry gives the launch budget, the margin, the steps and the risks. The way out of the hourly trap is productising — packages, templates, courses, retainers — and the catalogue flags where that actually works.
50 ideas in this theme

New puppy owners make costly mistakes through lack of preparation. A consultant sets up their home and routines before the dog even arrives.

And 710+ more ideas waiting inside
Unlock the full databaseStart from how many hours you will genuinely sell each month, which is far fewer than you work, since sales and admin are unpaid. Base the rate on billable hours only, not on a full week. The calculator on each idea does that arithmetic for you.
General coaching is not a licensed profession in most of Central Europe, so no certificate is legally required. Some adjacent fields are regulated, though — tax, legal and health advice. Each entry lists what to verify before you start selling the service.
Fastest through people who have already watched you work: former colleagues, a previous employer, your old industry. Cold markets take months of content. Take the first project at a lower price in exchange for a reference and concrete numbers you can point to afterwards.
Couples hit communication barriers they can't name. A structured course guides them through love languages and gives them practical tools to use every day.