Bill Zacharkiw: On a tight budget? Portugal's Dão is worth discovering

Everyone loves a bargain.In wine,  prices are linked to two factors. One is the cost of producing the wine, which means yields, barrels and other efforts made by the winery. The more you spend on making a wine, the more you can charge.
Then there is the reputation of the appellation. Places like Burgundy, Bordeaux, Brunello, Napa and Champagne are very well known and can charge a premium because of the value of the brand. It’s not always merited, but generally the quality of the wines