Not dangerous, just persistent. Knowing the shape of them removes the friction entirely.
None of these is dangerous and none is unique to Egypt. They work on politeness and on not wanting to cause offence, and recognising the opening line defuses all of them.

The unsolicited favour: someone hands you a headscarf, offers to photograph you, or steadies your camel. It is a gift until it is finished, at which point it has a price. Decline at the start, not the end.
The closed attraction: "the temple is shut this morning, but my cousin has a papyrus workshop". Nothing is shut. Check at the actual entrance.


The fifth is the shop commission: a guide or driver who insists on one particular papyrus institute or perfume shop is earning on it.
The broken meter and the no-change routine: agree taxi fares before getting in, and carry small notes. The fourth is the drifting price — a quoted figure that becomes per-person, or excludes the return. Confirm the total, for everyone, both ways, before anything starts. The fifth is the shop commission: a guide or driver who insists on one particular papyrus institute or perfume shop is earning on it. Going along is fine if you know; just do not buy anything expensive there.

