Garmin discontinued this product but you can get it on amazon new for about $599 and used for $120. Ebay sells refurbishment systems for about 699. It's best to shop around or go with something more updated.
A streetpilot 7200 is a model of a gps device. the main difference in models is the compmay that is making that model and what features it will offer.
The monthly subscription fees for Garmin Streetpilot 7200 vary depending on which features you want to include. You can pay 15 per month for some plans. The following website offers more detail bout this topic, http://reviews.cnet.com/car-gps-navigation/garmin-streetpilot-7200/4505-3430_7-31614527-2.html?tag=rvwBody
7200
The Garmin Streetpilot C330 is a global positioning satellite device that can be used in an automobile. The Garmin Streetpilot C330 can be mounted and updated to helps the driver better navigate the roads.
The web retailer with the best deal on a streetpilot c550 would be either ebay.com or amazon.com. You can compare the different prices other people are offering the streetpilot c550 for.
Currently, the Garmin Streetpilot GPS system for vehicles costs anywhere from $250 to 350 depending on the location it is purchased. It can be bought used at sites like eBay, Amazon, and Craigslist for even less and often in very good condition.
7200 +7200 14400
The Streetpilot 2720 is a discontinued item that was produced by Garmin: https://buy.garmin.com/shop/shop.do?pID=6387. However, the Streetpilot can still be purchased (used) at Amazon beginning at $199.95. http://www.amazon.com/Garmin-StreetPilot-2720-Portable-Navigator/dp/B000A5T7AO/ref=sr_1_1?ie=UTF8&qid=1309408998&sr=8-1
6% of 7200= 6% * 7200= 0.06 * 7200= 432
1.5% of 7200= 1.5% * 7200= 0.015 * 7200= 108
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All the research I have seen is suggesting that the streetpilot 2820 is very similar to other comparable products. This GPS is for motorcycles and is thus waterproof, but is said to be bulkier than others. http://www.consumersearch.com/auto-gps/garmin-streetpilot-2820