Places like Blogabet, Pyckio, Tipstertube can be very helpfull in building a portfolio and you don't want to pay any subscription for a service.
Of course it helps a lot that I'm part of an closed forum which makes it even more comfortable to follow others because of the low amount of followers.
Those bookies you need to exploit as much as possible. What kind of markets do they offer? Do you have some limits on stake?
A typical euro bookie: most of the football leagues, basketball, tennis, ... They are a small outfit (understaffed) and that's the reason for not updating the odds in time. The limit on the single bet is 500 KM (~255 eur)