Something that you might be able to do: If you friends is an idea guy just like you, try to get a programmer friend to see how he/she thinks about the deal. Do

Something that you might be able to do: If you friends is an idea guy just like you, try to get a programmer friend to see how he/she thinks about the deal. Do the opposite if your friend is a programmer. We have no idea what your idea is, so, it is really hard to judge whether a 50/50 split is fair or not.