Sales tax can be confusing for new ecommerce shop owners. Here is some good guidance from Woocommerce, a leading online shop cart software for WordPress. The article includes an example for a shop in Ohio.
“Example: You sell skincare products from your home in Obetz, Ohio. Ohio is an origin-based sales tax state (more on that in just a second), so your sales tax rate in Obetz is 7.5%. That’s made up of the 5.75% Ohio state sales tax rate and the 1.75% Franklin County rate.”
Read the full article at the Source: How to charge your customers the correct sales tax rates
One company that automates the process of sales taxes online is Avalara. Take a look at their WooCommerce small business packages.