Please someone help me with these sentence having trouble

Could you please help me correct these sentences that I'm having trouble correcting?

1 The more straight forward the spelling of the name, the easier it is to write. Write Sara and not Sarah.



2 It’s indicated on the box. (is "indicated" an adj or verb, if verb active or passive?)



3 If I can get it (for) cheap, then I'll wait till tomorrow. (Till) What time are they open till?

I sold it for cheap



4 The elevator gets stuck on the 3^rd floor on its way up every time.

5 The document can’t be open on 2 computers at the same time.



6 Drugs is a never-ending downward spiral that one must never get into./get in/become familiar with.



7 This report lists all the rooms we have in the hotel. All the rooms listed make up 5 pages./All the rooms listed are 5 pages long.

Thank you