Location, location, location! Choose it carefully, in a known tourist area. The Jura Krakowsko-Częstochowska is not too far from the area you mention.
And don't be tempted to buy a zjazd by a big main road - most of them don't make much if any money.
And don't be tempted to buy a zjazd by a big main road - most of them don't make much if any money.