HELP PLS

can someone pls help me. im sending documents for my partners spouse visa but i do not know if im on the right track.
firstly, im a nurse currently working bank shifts (temporary) i do not have a fixed weekly pay, some weeks i can earn up to £700 and others like £170. my problem is how to calculate my weekly earnings.

also i have been offered a permanent post in a hospital which i hope to start once i get my CRB clearance early next month.
will it be enough to submit the job offer letter which states the salary i will receive with my partners application?.

is it ok to send calling cards with the application as prove of contact?

im currently on indefinate leave to remain
your response will be much appreciated

Hi Bow

I would include the letter and evidence of your income for at least the past six month, wages and bank statements.

Make sure you have everything else and leave nothing to chance.