Your Sales Funds are safely on 'Hold' with eBay's Managed Payments as explained in eBay's New Sellers Guidelines - (Go to top of the page, press eBay Help, type in eBay Guidelines for New or Infrequent Sellers.
For the future when your Sellers Detailed Sales reaches 10 you can set your Payment Schedule to get your selling funds as you arrange.
The answer to your question is 'It is okay to send the item to your Buyer'
