3 days trip in Dubai - Any suggestions for first-time travelers ?

Hello all! I'm planning on a solo trip to Dubai soon for the first time & would greatly appreciate any travelling tips & recommendations. Also would be helpful if could advise on the below as that would assist with my budget travel plan for the week. Thank you!

  1. Any tourist traps/spots to avoid while in Dubai ?
  2. Besides Luqaimat & Machboos, are there any local delicacy that is a must try ?
  3. Any underrated Must Visit places/cafes or Things/activities to do in Dubai that is highly recommended? Preferably would wanna avoid mainstream tourists spots.
  4. As for dubai sand dunes, which one would be the recommended one to visit. Preferably with tour packages that doesn't cost a fortune.
  5. Recommended place to buy cultural stuff/souvenirs from Dubai?
  6. Any nice chill cafes or hangouts spots that are safe to relax for the night ?
  7. Overall general travel advice while touring around the town ?

Thank you in advance for willing to read my post, I do apologize in advance if this post is inadequate. First time travelling to Dubai from overseas, would appreciate any form of guidance. Thank you.