Those who exceed certain income with their sales through these platforms must register as self-employed and declare VAT. It is estimated that they could pay up to 23% of the benefits.
The Treasury’s warning to users of Wallapop, Milanuncios, eBay and Vinted with regular income has been clear. If the volume of income exceeds the minimum interprofessional salary , the Treasury will understand that an economic activity is carried out.
Therefore, whoever is in this case should register as self-employed, declare VAT and fulfill all the obligations of independent workers.
Source: ivaconsulta.com