Allow a generous half day to explore the attractions around Glasgow Cathedral, including an unhurried walk in the necropolis and visits to Provand's Lordship and the intriguing St Mungo's Museum of Religious Life & Art. It won't eat into your budget either; they are all free to visit.
Visiting the Barras market is an essential Glasgow weekend experience that could extend into a leisurely day if you factor in a seafood meal, a leisurely browse of the stalls and shops both traditional and modern-creative, and a look around the People's Palace or perhaps a home game or stadium tour at Celtic Park.
Thirsty? There are three breweries in the region.