Even if you say you are an expert, gambling does not have a winning strategy that always works, AFAIK it's temporal luck...if this was it underdogs or upsets would never have existed.

And do you realize all the risk will be on the person funding their account with you being on the winning side regardless of the outcome and I think 40% is not justifiable, how did you get to this?

If you are confident in your sport why not join tipster competitions and show us what you are made of.