I think more social book marking and create some backlinks from high PR websites is solution for your problem.
Do the promotion of your blogs and the best option is Social media try to put the links with the catchy content.
SEO is the best way of getting organic traffic. CPC is also expensive way of getting traffic. Do not waste your valuable time for instant profit, If you learn some serious points of SEO, you will earn lifetime big money. Enjoy
Create as much quality content as possible. Content has a cumulative effect. The more content you create the better the chance that some of the posts start to rank in search engines. Start promoting the ones that show signs of ranking. Use bookmarking, social media, guest posting (once your blog gets a PR).
There are a number of threads here and in the SEO forum about how to improve traffic. Please do a search and then come back with some specific questions. This question is far to generic to answer in the manner asked.
Yes buy updating your blog on daily bases you can drive traffic and most important as per the new update of google there must have keyword in you content and we have to use synomens of the keyword.For example classic car precious car like this.It is just an example if there is something wrong in this sentence please tell me.
For promotion of your blog...follow some SEO off-page techniques...they will increase your blog traffic..i.e...: - Link Wheel - Forum Posting & Commenting - "Blog Commenting is very effective to your Blog Traffic" - Video Marketing - Ads Posting through Classifieds
Do Onpage seo for blogger, if you don't then ask once. I have done for thousands people and after do that your blog will get traffic automatically, you have to do post only.