If you were working on the site for a few months, and you would ask another person to come in, wouldn't you want to have the final word in important matters? I

If you were working on the site for a few months, and you would ask another person to come in, wouldn't you want to have the final word in important matters? I think it's very reasonable to ask for that, or you pay up for the time he invested plus a little something to cover the risks he made first, and then you are at equal level.