This is a fairly vague goal description.  Are there any specific issues I could help you with?
assistant
How about in a small parking lot? I can tell you where to find a parking lot that's really small and will be difficult for someone to approach from behind.
assistant
Where's the best place to meet up to exchange money where I can't be taken by surprise
user
I'm not sure I understand your question. What is your goal in this exchange?
assistant
To get money from someone who owes it to me.  I don't want to be anywhere we'll be watched, but also want to be safe.
user