It's important to differentiate between a Private account and a Business selling account, it's not a matter of receiving a higher selling limit.
If you are selling your used unwanted items say a wardrobe, cupboard , attic clear out. Be aware , if you list 300 Buy it Now items, these automatically relist next month if not sold, they do not count towards that month's 300 allowance. In effect unsold , you then could have 600 items for sale.
A business account is one you Have to open if you wish to sell all Brand new items, items bought to sell, or handmade items.
eBay business accounts have different selling limits depending on the chosen store package and whether you're using a shop. A basic business account without a store has no free listings, while store packages provide a fixed number of free listings, varying based on the package level. For example, a basic store package offers up to 1,000 fixed price listings and 250 auction-style listings. Selling limits can also be affected by your sales volume, feedback, and performance metrics.
