[king2163]

If you want to minimize sandbox effect ,
1- get the link from theme based website.
2-addition of content and adding a link must be proptional to each other.
3- don't get link too fast.
4- At start never go for directory submission.
5- Get the link with very reputated website.
6- Don't repeat keyword in anchor text too much. some time give url in anchor text.
7- Don't let google know that you are optimizing your website. so my 2nd point is more important to other.
8- All in one be too natural for google.