Has Bill Or Ben In The Answer

[Calypso56]

Gymnastic Contortion 8
Poor Family Acquires Wealth Sitcom 7 and 11
Harry Potter Character 6 and 9
Buy On Line After Store Closure 9

Any help with these final four answers would be much appreciated.
Thank you in anticipation.

[bhg481]

2 Beverly Hillbillies

[mallyh]

4 answered by bobbinwales as ...debenhams

[mallyh]

3 Sybill Trelawney

[emmie]

bendable?

[JJ109]

Backbend

A backbend is a gymnastics, contortion, dance and ice skating move, where the spine is bent backwards, and catching oneself with the hands.

[JJ109]

Forgot the link
https://en.wikipedia.org/wiki/Backbend#:~:text=A%20backbend%20is%20a%20gymnastics,the%20performer%20while%20curving%20backwards.

[emmie]

that's better ^^

[roslyn251254]

backbend?

[Calypso56]

Thank you everyone for your help