I , Angela. As for startup cost to setup website, there are free tools and hosting site that will let you set up your website basically free. The cheapest way to promote is posting your products and or services on social media blogs and using target keywords in your articles and blogs and website to help you rank in google search engine. To find hot keywords for your IT niche, you can get a free keyword tool called “keywords everywhere” to download from chrome store. Its a really useful tool. Then there is Jaxy keyword tool. Hopes this helps.