HMRC Admin 8 Response

Hi clion,
If you have no other self assessment criteria, a tax return is not required. you can advice HMRC of the interest by providing the information via your personal tax account.
Thank you.

Hi,
Yes you can on your personal tax account.
Thank you.

Hi,
The answer in the previous reply stands - HMRC do not set the prices for shares.
Thank you.

Hi,
Not a separate bank account, just a spreadsheet/accounts to put the correct income and expenses against each source.
Thank you.

Hi,
Please refer to guidance at:
Paying tax on the remittance basis (Self Assessment helpsheet HS264)
Thank you.

Hi,
Yes you can open one now:
Individual Savings Accounts (ISAs)
Thank you.