Please create separate orders for in-stock and pre-order items.
{"id":7592587854070,"title":"Lionel 6-19420 - Vat Car - Second Hand","handle":"lionel-6-19420-vat-car-second-hand","description":"These came to us from a private collection. No warranty; Returns or Adjustments.","published_at":"2022-03-10T16:35:33-05:00","created_at":"2022-03-10T16:35:33-05:00","vendor":"MrMuffin'sTrains","type":"","tags":["mrmuffinstrains","pre-order","under-50","wk_end_auction"],"price":1000,"price_min":1000,"price_max":1000,"available":false,"price_varies":false,"compare_at_price":null,"compare_at_price_min":0,"compare_at_price_max":0,"compare_at_price_varies":false,"variants":[{"id":42700239503606,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"2H_M0147","requires_shipping":true,"taxable":true,"featured_image":null,"available":false,"name":"Lionel 6-19420 - Vat Car - Second Hand","public_title":null,"options":["Default Title"],"price":1000,"weight":0,"compare_at_price":null,"inventory_quantity":0,"inventory_management":"shopify","inventory_policy":"deny","barcode":"","requires_selling_plan":false,"selling_plan_allocations":[]}],"images":["\/\/cdn.shopify.com\/s\/files\/1\/1011\/0560\/products\/IMG_7030.jpg?v=1646948166","\/\/cdn.shopify.com\/s\/files\/1\/1011\/0560\/products\/IMG_7029_cf2a5017-0286-4c33-b4c9-80ec589f70c5.jpg?v=1646948166"],"featured_image":"\/\/cdn.shopify.com\/s\/files\/1\/1011\/0560\/products\/IMG_7030.jpg?v=1646948166","options":["Title"],"media":[{"alt":null,"id":29319336001782,"position":1,"preview_image":{"aspect_ratio":1.333,"height":3024,"width":4032,"src":"https:\/\/cdn.shopify.com\/s\/files\/1\/1011\/0560\/products\/IMG_7030.jpg?v=1646948166"},"aspect_ratio":1.333,"height":3024,"media_type":"image","src":"https:\/\/cdn.shopify.com\/s\/files\/1\/1011\/0560\/products\/IMG_7030.jpg?v=1646948166","width":4032},{"alt":null,"id":29319336034550,"position":2,"preview_image":{"aspect_ratio":1.333,"height":3024,"width":4032,"src":"https:\/\/cdn.shopify.com\/s\/files\/1\/1011\/0560\/products\/IMG_7029_cf2a5017-0286-4c33-b4c9-80ec589f70c5.jpg?v=1646948166"},"aspect_ratio":1.333,"height":3024,"media_type":"image","src":"https:\/\/cdn.shopify.com\/s\/files\/1\/1011\/0560\/products\/IMG_7029_cf2a5017-0286-4c33-b4c9-80ec589f70c5.jpg?v=1646948166","width":4032}],"requires_selling_plan":false,"selling_plan_groups":[],"content":"These came to us from a private collection. No warranty; Returns or Adjustments."}

Lionel 6-19420 - Vat Car - Second Hand