These are just a few items that need to be taken into consideration before a true estimate can be given. However, homewyse.com states the cost of adding a screened in porch in 2013 runs about $4.74-$6.83 per square foot, a cost that takes into consideration the average price of materials and hourly labor wages.
Instead you should be drinking water and herbal teas such as nettle, peppermint or ginger tea which will all soothe an upset stomach, naturally. Keep some raw ginger or tea bags in the back of the cupboard as a stand-by natural remedy for stomach flu in case of emergences or surprise viruses.
Ginger is traditionally used as a treatment against nausea and stomach cramping. Ginger ale and ginger tea are the most often used treatments when battling a stomach virus. You can make fresh ginger tea by boiling two to four 1/2-inch (1.25-cm) slices of fresh ginger in 8 oz (250 ml) of water for five to seven minutes.