Hi and welcome Pinkybrain :)
Limited capital does not limit your prospects of finding success rather it's a challenge. You have to be creative in the products you sell, you need to think out of the box.
So why not start by selling some of your old things? No capital needed! Many successful sellers started out this way and many still do quite well in the second-hand market, you can ask Marc aka fudjj (our community manager) all about the second-hand market and he tell you everything you need to know :)
When you have free time try going through the forum, you'll be amazed with all the tips/advice you'll find!
Here's a recent post that may help -
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Cheers!