It's a bad line
buy codeine phosphate 30mg uk The theory is easy — you want to be sure that you are making money for each bid you have in the market. But this simple idea is extremely hard to execute: If you have tracked where each customer came from, and you know how much you paid, you can then match that data up with how much revenue those customers are generating (removing outliers) to calculate ROI. For Pocket Gems, after an arduous process, we have built a system to automate this and brought our reporting time down from a week to two hours. But no matter how long it takes, you need to know bid by bid if you are making the right choices for your business. You will then want to project this over the lifetime of that particular customer. In other words, you have to find a way to predict that lifetime revenue with limited data. From there, you can decide if you should keep that bid as is or change it.