She goes through 1 bottle a month and she likes to stock up for the entire year, which is 12 months so she needs 1*12 = <<1*12=12>>12 bottles
Each bottle is $30.00 and she needs 12 bottles so they will cost 30*12 = $<<30*12=360.00>>360.00
The website offers a 30% discount off of her $360.00 purchase so the discount will be .30*360 = $<<30*.01*360=108.00>>108.00
Her sunscreen costs $360.00 and her discount is 108.00 making her purchase total 360-108 = $<<360-108=252.00>>252.00
#### 252