My info is archaic, but here goes:
Egypt: was there in 1977, having come surface from Khartoum (train to Wadi Haifa, then boat - 1 with working engine, another 2 without working engine lashed 1 on each side - deck class, travelling with locals) to Aswan, then down to Cairo by bus, taxi, train, donkey cart...
Pay whatever extra to see Abu Simbel (I took a day trip from Aswan or Luxor by plane - WORTH it).
Luxor: Back then, the big/famous tombs in Valley of the Kings lit by fluorescent lighting. In some of the smaller tombs, dimly lit if at all. But for some baksheesh (small tip), a worker would stand at the entrance with a large polished aluminum sheet reflecting sunlight down the hallway to another worker inside who had another polished sheet to move the sunlight around within the tomb. It's been decades since I've looked at my slides but as I remember, got some good shots inside. I entered any and all tombs I could; for ME, being fascinated by Egypt my whole life, worth it. King Tuts tomb worth entrance to me just to see it (I'm one of those who wandered around Troy for a day just because it was Troy).
The temples in Luxor are fantastic - worth any admittance fee. Some of the temple gates (the 2 story structures at the entrance) had internal staircases you could climb to the roof for a great view. Something to keep an eye out for.
See the fallen statue of Ozymandias. Also the Colossus of Memni. Temple of Hatshepsut.
Other cities/temples: see all that you can. Every one fascinating in their own way. Again, look for internal staircases inside the entrance gates.
Cairo: See the Citadel. I remember a patio/plaza/balcony next to it/in it with a breathtaking sheer 100 foot drop to the ground and a fantastic view over the city. Worth asking for.
See the museum. My understanding, there is a new one, don't know if the old one still contains anything. SEE them, the new and if still in operation, the old.
Pyramids: even back then, I knew to not fall for anything "free" (I'd heard it was "free" to get on a camel, costs to get off). Pay whatever to enter the Great Pyramid - the Grand Gallery is truly that, took my breath away (literally, it's a STEEP climb). Standing at the base of the pyramid, I was approached by a man. He read my mind, saying "You can't climb it on your own. The police will stop you. But for 50 pounds (then $50 USD) I'll take you to the top; they know me". That was expensive for me, so said no. I'll never forget his reply. "You think expensive. But you'll only do it once. If you come back 10 times, you'll never do it again. 50 pounds over your lifetime is not expensive." True logic and so I can say I stood on top of the Great Pyramid (and those blocks are a steep climb - some almost 3 feet high). Obviously can't do it today, but there are adventures to be had.
Both in Luxor and the pyramids, there was a sound and light show. Corny, but for me, worth it.
My only regret? None, except paid for a boat ride to see the Philae temple and its island. Back then, little did I know, it was being reconstructed, so it was literally just a pile of numbered blocks as they were raising the island.
Egypt is a bucket list item with unforgettable sights and memories.
Learn a few Arabic words:
salaam alaikum (greetings)
https://en.m.wikipedia.org/wiki/As-salamu_alaykumreply: alaikum salaam
and thank you: shukran
you're welcome: afwan
how are you: kif halik?
reply: quis (long i, fine), often followed by "ham do Allah (thanks be to God)
Goodbye: ma Assalamah
no: mafee
go (away): yala (keeps you from being pestered)
Bargain hard, but remember it's a game, not a death struggle. Enjoy a cup of tea while you do. Be street aware, as you would anywhere.
Drink only bottled water and carry a couple of liters while hiking - it is HOT. Avoid ice.