Hey all - I'm learning SEO and am starting to build my first links. I'm creating 5-10 web 2.0 properties - how long do I need to wait between making each one for it not to be suspicious? I know to do things in a different order after I create them but I'm not sure if creating two on the same day will be an issue. Also, can I use spun content as filler content in my web 2.0s or is that risky? Thanks!