1. Business has to wait to collect the payments for almost 2 months.
If they can't trust you though, how can we?
2. Business has just started.
Exactly, so there's quite a high chance of you failing.
3. This industry has paid my salary for almost 15years and it's still paying.
You are clearly not very good at handling money if you have been in an industry in Europe for 12 years and you are short of 5000 Euros...