I'm trying my best to start a few services and No one will trust me, it's unfair, how am I supposed to get a start?

sell rsgp and stuff like that and you go first :P

go first with people who are already trusted and ask them to give you feedback

 

you can't just show up and expect others to go first when there are much safer services available.

How is it unfair? EVERYONE has to start somewhere. 

You'll want to show that you're able to trust others by perhaps going first to people with a large amount of feedback.

Feedback is key, in order for people to go first with you. 

you'll need over 50+ positive feedback.

or sponsor title.

It is not unfair in the slightest. Do like level 1-30 services for 100k.

Get your reputation up. You can start by gaining some positive feedback via the iTrader system.