Jobseekers benefit and Airbnb income / freelance work

Hi folks,

Someone asked me to look into this on their behalf and I haven't been able to find a definitive answer online. Can someone is on jobseekers benefit rent out their home on Airbnb for additional income? They are fully unemployed and looking for work. They are aware that the income is taxable, but the question is whether it would impact their social welfare payments.

Secondly, is there any mechanism for someone on jobseekers benefit to freelance one or two days per week? I know that you are able to work part-time and still receive the payment. But freelancing requires to to register as self-employed (as far as I'm aware) so I think that would mean you would no longer be entitled to JSB. Is this correct? It seems unfair, as this person would not be able to get enough freelance work to fully sustain themselves, and is still looking for full time employment. But they would be able to work one day per week freelance in the meantime.

Thanks in advance!