How much is the total amount to enter Canada with express entry?
If you are asking how much money you must have for Canada to consider you under the rules of Express Entry program, then the answer is 20,371 CAD for a family of 3 people. You must have this money
before you apply and you must be able to produce a bank statement showing that you have these funds. This requirement is waived if you have secured a job offer in Canada. You can find more details
here.
If you are asking how much money it costs to apply to come to Canada under the Express Entry program, then the answer is 1,365 CAD for each adult and 230 CAD per child. Upon applying, you must pay 850 CAD per person, and the rest can be paid if your application is approved. This cost does not include medical exams (approximately 200 CAD per person), biometrics fee (170 CAD for a family of 2), language tests (depends on the test), or education assessments. You can find more details
here.
You cannot just pay to come to Canada under Express Entry. Express Entry is an immigration program with strict rules, and Canadian government decides who can come. If someone tells you that you can pay to come to live in Canada, they are lying to you and trying to scam you.