On most lists of products containing estrogen, animal products like milk and beef are at the very bottom. Milk, for example, is said to provide 1.2 micrograms of estrogen per 100 grams.
Depends on where you go to get your fix. Starbucks Cold Brew (in stores nationwide since May 2015) and Dunkin' Donuts Cold Brew (in stores nationwide since August 2016) retail for different prices. Cost: Roughly $0.20 per ounce. $3.25 for a grande (16 fluid ounces) according to Starbucks.
The mathematicians at the New York Times cranked some numbers and calculated that K-Cup coffee costs roughly $50 per pound. To put that into perspective, a bag of Starbucks house blend ground coffee costs $11.95 per pound, and a pound of Dunkin' Donuts original blend is $8.99. Even the majority of the high-end bags of beans made by artisanal roasters go for under $20 per pound.