Twenty years ago, around the time of the Millennium I had the idea of linking newly developed websites with Sage accounting systems. Being a Sage Solution Centre at that time this was possible, but required a large amount of custom software development.
Nowadays this is an easy task, most accounting systems will offer the ability to link directly with your website (especially a WordPress site). Watch as a customer places an order, pays for it and then see the transaction instantly in your accounting system, already cleared and reconciled in your bank account. No additional work required.
If you’re goal is more orders and revenue from your new website and digital marketing strategy, why increase your costs to record all the new transactions?