<!--td {border: 1px solid #cccccc;}br {mso-data-placement:same-cell;}-->To increase participation in an online auction in Ohio, it's important to create targeted promotions and offer attractive visuals of the items. Engaging content, such as social media posts or email campaigns, can also help. Building trust through clear communication and offering incentives like early-bird discounts can encourage more bidders to join and bid actively. 