Act as a digital marketing expert.create 10 digital beginner friendly digital product ideas I can sell on selar in Nigeria, explain each idea simply and state the problem it solves
作为一名数字营销专家。请创建 10 个适合初学者的数字产品创意,我可以在尼日利亚的 Selar 平台上销售,简单解释每个创意,并说明它解决的问题。