In the offers like that a lot is founded on trust. The question is how I can prove that the deal is real b4 actually making the deal.
Don't worry - I will know very quickly if what you have is of any real value, as I have been around a good while and seen a good few things that work, and ones that don't - but in the end it is all down to the trader or investor, their commitment, their capital, and their common sense!
If it is really worthwhile, then you will be advised to keep it to yourself, and I won't charge you a penny - or cent

J_S