I might be in a little trouble

I’m using a company to help me manage my Amazon. My first 2 days and I’ve had 16 orders placed so far. The thing is I don’t have any products to ship out yet. I did not add these listings. The company asked for child permissions and I gave it to them with minimal access. They added the products to inventory.

The company has decided FBM is the way to go for now. Now that we have orders placed they are having me buy the products from Walmart and then ship to the customer. Obviously this is going to cause a delay in the shipment to the customers. I feel like… I don’t know. Any advice?