Hi xhinn, hmmm just do prepare med for diarrhoea, some basic med... then bring jacket coz winter soon, nite time will be cool + cruise nite is cool, cairo is cooler too...End oct when we go the hot hours is only like 11-2pm.. the rest of the day quite cooling... sth like sg still ok one...
If you are more picky on food.... and not a meat lover.. maybe u can consider bring some food ba
For me I din bring food is ok to us. Train food is not so good... so maybe prepare some snacks for that nite
Money vise.. basically everything included already... when u go for briefing, they will give you a list of how much is the tips per pax to pay to the tour guide.. so u dun really need to pay any tips along the trip... (only very little money for toilet) Optional tour is worth going... sound and light show suggested by the guide Cairo one is nicer (which is true we went quite good, but will be cold ya so bring your jacket) Nubian village is nice should go... and maybe u can ask the tour guide to arrange town tour at aswan if time allow... is quite nice to go .. can do some shopping and view local life.
How much to exchange...up to you but as most of the food and stuff is included.. u just need to prepare the tips + optional tours... and some money for suvinors will do... then when u reach the airport then exchange Egyptian pound ... was told change 50USD will be enuff (which is quite true) if not enuff u can change with tour guide... and water the bus driver/cruise always sell (during my whole trip) is not ex... so no worry.. just buy from them is easy.