Running is a great choice for a healthy lifestyle! Try shopping online at stores such as Nike and/or Sport Check : www.nikerunning.nike.com or www.sportcheck.ca/running
You can get military footwear for running from surplus stores and some farm and fleet stores. Also, you can find this type of footwear online at Amazon.
You can find some affordable quality running footwear at this site: http://www.finishline.com/. You can also check out Payless and Sketchers as well as look for coupons.
Armygear.com is a good place online to start. Otherwise, I suggest going to an army surplus store or looking on craigslist. Perfect places to find cheap military footwear.
Working persons store online has some great puma shoes that are anti slip footwear specifically made for running. They also have other running shoes if you do not like pumas.
There are many places that sell fashionable running footwear. Most popular footwear stores such as Footlocker, Finshline, and especially Eastbay have a wide variety of running footwear to choose from.
You could purchase some wide footwear online at ebay.com or amazon.com. Both websites have a large inventory of products and they are offered to you at cheap prices.
Some great places to get cheap men running shoes are Foot Locker, Foot Action, Modell's, or Famous Footwear. You can also find some at shoezoo.com or shoesontheweb.com. Those sites have really great deals!
The shoes are used by some professional athletes so, they are well constructed to fit the demands of professional athletes. So, they are not cheap quality footwear by any means.
You can find some medical footwear online. You can find this footwear at www.uniformadvantage.com/pages/dpt/shoes-accessories.asp and www.drewshoe.com/medical-footwear.aspx.
Runnersworld.com offers some very cheap running clothes online. They offer a variety of clothes from head to toe all for under 100 dollars as experimented by their editors.
There are a number of websites online that offer cheap running shoes for sale. You can try visiting Activ Instinct, Wiggle, The Iconic and 21 Run for some good examples.
I would get some cheap running shoes online for exercise use. I would not buy expensive shoes that will get worn out quickly. As long as they are comfortable.