This website has two areas that require a login and password: the members menu on the homepage, and the online tuition. There are two common reasons for this problem: 1. you mis-typed either your login or password (this is not your bank account, there is no security requirement to choose a complex password), or, 2. You have not registered.
£21 per annum, unless you are an individual member of the SNU, then it is £8 per annum.
No, even if it is a church that is Affiliated to the SNU; church membership is not the same as individual membership of the SNU. An individual member is an individual subscribing member and you will have a unique number issued to you by the SNU. You use this number to qualify for the £13 reduction in SNUi membership fees.