I am new to PPC and I am taking over an existing campaign.I would need advices on what would be the most efficient.
The company I am working for has 20 products for sale whithin a same category and a general budget of £3000 per month
option 1 - 1 campaign including 30 different products with budget optimizer enabled
option 2 - 1 campaign including 30 different products with manual budget
option 3 - 30 different campaigns including one adgroup/product by campaign with budget optimizer enabled
option 4 - 30 different campaigns including one adgroup/product by campaign with manual budget
Thanks for your help!