I could bump my old thread but alas you wise people did not answer! 
I have recently moved from (imo) awful EL doublewear to beautiful Chanel Vitalumiere Aqua compact. Thanks for the advise all!
The issue.... I've had my new Chanel foundation for only two weeks but can already see the bottom of the pot! I use everyday and touch up on 4 occasions ( In my job I get V.V WET!. I don't use an excessive amount and absolutely do not want the ORANGE look although I hail from good ole ES-SEX 😳
So how much mileage do you lot get from your chosen foundation? I think with the price of Chanel I may have to get a couple of paper rounds on top of my Full time job... 