Ok it's bit of a minefield but bear with me ...
I'm employed 16 hours per week and claim tax credits but DS has just started school and I'm trying to increase my earnings. I've just taken on a second job and I've split my tax code across the two employed roles. So far so good.
I've now been offered a third job which I'm really keen on and may end up being my main role next year, so I will drop one of the others. In the meantime it is a temporary, flexible role with different, irregular hours every week. For this reason they've asked me to invoice them rather than them putting me on the payroll.
I'm confused as to how all of this will work. Firstly, how and when do I declare the extra income? Will I need to complete a tax return?
And how will it work with my tax credits? Obviously I will inform the tax credits people of my second employed job. But with the third role I don't know how much I'm expecting to earn so I don't know how to handle it. If I leave it until my next renewal and state what I have earned thus far, will they base my renewal award on that figure? Potentially leaving me very short?
I'm keen to earn as much as I can myself but I've never been self employed and I'm getting myself in a state about it all. Any help from knowledgeable folk would be very much appreciated