yes.. since you are a bachelor, its difficult to sponsor your parents. the charges for a tourist visa (arranged from hotel) is not as high as 1200. BTW, if you will have your mother stay in a hotel while she is here, the hotel guys will arrange a visa with no extra cost.

try doha grand hotel near centre roundabout.. they get visas done for 600-800 QR (you dont get to / need to stay there). validity 1 month, no extension.