There are lots of corners of the internet where you can find additional canned assets to get started with a project. Even if it's just research, opening up other files and poking around is a great way to pick up workflows from other artists. As part of Blender's open source goodwill, many of these have Creative Commons options that you can use even for commercial purposes. If you want additional bells and whistles for your kitchen, model them yourself to your heart's content or look on sites such as blendswap.com, blendermarket.com, and blenderartists.com.
Germany
Slovakia
Canada
Brazil
Singapore
Hungary
Philippines
Mexico
Thailand
Ukraine
Luxembourg
Estonia
Lithuania
Norway
Chile
United States
Great Britain
India
Spain
South Korea
Ecuador
Colombia
Taiwan
Switzerland
Indonesia
Cyprus
Denmark
Finland
Poland
Malta
Czechia
New Zealand
Austria
Turkey
France
Sweden
Italy
Egypt
Belgium
Portugal
Slovenia
Ireland
Romania
Greece
Argentina
Malaysia
South Africa
Netherlands
Bulgaria
Latvia
Australia
Japan
Russia