Let's say you have a user path: search engine advertising - direct entry - YouTube - VK - internal transition.
To estimate the contribution of each channel, it is enough to divide the conversion equally, not counting direct visits and internal transitions. That is, in this case, the channel conversion will be approximately 0.33. However, the first transition can be estimated slightly more expensively, since without it there would be no others.
Some channels, such as email marketing, do not start working immediately, but 3-6 months after launch. You should not immediately abandon targeting in social networks if it does not produce ukraine consumer email list results - you can experiment with creatives and unique offers, twist the target audience.
How much does it cost to implement such techniques?
The price depends on the scale of the business, the number of clients, and the volume of sales. It is not necessary to spend a fortune, but it is also not possible to implement omnichannel for free.
Setting it up yourself will save you some money, but it will require maximum involvement and control. In some cases, it is easier to trust a contractor.
In any case, there should be a person on the team who will take control of the process. Ideally, the marketing director.