Box for like 15 bucks a month and use that as my return address.

./) and type “logo” in the search box. 

[Off my soap box, thank you]On the original topic - the 70% "rule" is no such thing.

This approach vs. a letter/post card that markets your company and what you do with very little mystery to the seller.

You can put a lockable box around the common area ones.http://www.landlordstat.com/hc71SB.html

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I loved my students so much, but I am just way too entrepreneurial to live inside the proverbial box. 

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