For a hobbyist, free assets might suffice. But if you are billing clients for photorealistic interior visualizations, the time saved alone justifies the price of Vol 251. You don't have to spend 2 hours modeling a fiddle leaf fig, unwrapping UVs, and finding textures. You simply drag, drop, and render.
If you're looking to purchase, you can find the full collection at the Evermotion Shop or view the detailed PDF Catalog to see every model included. archmodels vol 251