Any ideas on how I can decorate my room to help give a 70s vibe?

Can't one find all of this on line or in decorating books........good luck on your new adventure and have fun doing it.

Lots of shag pile, brown furniture and busy geometric wallpaper or William Morris (Very Sanderson, Very 1970s). Modernist furniture mixed with good antiques. Big lamps and objects d'arte

Google for Very Sanderson Campaign

Lava lamps, shaggy throw rugs, posters of 70s celebs. Stores like Five Below have many of these items for quite cheap.

You can put pictures of Beatles and Bruce Lee and photos of streetscenes in the 70s.

Paint the room in a bright color.

You can also spot a Beatles haircut.

Buy some old magazines on ebay from the 70's

And see what home décor looked like.

Poster of Farrah Fawcett-Majors.

Install some burnt orange and avocado green shag carpet.