Every honest way to earn from home is one of three things: selling time, selling output, or renting an asset.
In the US, $400 of net self-employment earnings is the point where filing a return becomes mandatory.
UK earners get a £1,000 trading allowance and a separate £1,000 property allowance before tax bites.
The UK Rent a Room Scheme allows £7,500 a year from a lodger tax free, halved if you split the income.
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