The category you choose should be topical
. In this case you will always have sales. Time-sensitive or season sensitive products, or too specific goods are topical for some period of time or for a very small group of people that will not make you sufficient capital turnover. For instance, phone covers
are always sold. Everybody has a mobile phone, we need them to save gadgets from damage. It is also an accessory for us. We change phone accessories pretty often. They are requested most often when new models are released. This frequently happens. So, phone covers are topical.