Good advice, I will try that to get an idea of how it works.
Can you set up a direct debit anytime after initial funding?
I suppose also with direct debit have to be careful you don’t go over your isa allowance.
You'd need to look in to how you do things. You might need to set up a direct debit, or it could be a standing order, I'm not sure. As for the total, this shouldn't be hard to calculate right now. When your ISA allowance resets it's simply a case of £2000/12 = monthly deposit, if you can afford it. You can then split that amount in to smaller amounts if you want to spread it around various accounts / providers. You can automate a lot of this stuff so you're accumulating wealth with zero effort apart from the odd check in (I usually do this at least quarterly and have set reminders on my calendar to do so). If you have the odd windfall (overtime or whatever) you can simply add this in to a regular trading account so you don't lose track of your ISA. You will need to pay tax on that though.
Also also, don't forget Topcashback and the like for any additional bonuses when opening new accounts.