If you can find prebuilt software that does what you want, then sure - use it.
As for finding a good consultant, there`s craigslist as well as good job boards like the one at joelonsoftware.com. If you`re looking for overseas help, there`s boards for that too.
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Check out my blog: Upstarter.net: the simple habits of successful entrepreneurs
And my startup: ChatSpring Live Chat Software for Sales and Customer Service



