Our first ever trip coming up. N I’m excited.. mainly about the Cairo mummies. Have 2 boys 7 & 4 planning to go by bus. Has anyone done it. Any tips. Should we book in advance or go there n book. What’s the best price I should look for. We just want a simple.pyramids spinx. That’s it. Not too much traveling. Aware of the bus Times. But budget hence. Would love some reply.