Having established your investment aims you should assemble the platforms and tools required to reach these objectives.
To minimise the effort and cost of managing your own funds, you need to pick good, reliable, inexpensive service providers. All should have online access.
To avoid having large sums of money on current account, earning no interest, you should be able to make financial transfers online on a same-day basis. Many financial institutions make it difficult for you to do this; they make a lot of profit from money lying unrewarded on current accounts. You must make all your assets sweat, by which I mean your investments should be working for you at all times.
You will need all or most of these: