continue around the corner and boost tess up the wall to the left of the locked fence and then follow and continue to the next area, where more of robert's men await. two guys walk into the courtyard and two more remain in the building. start by letting tess take out the one to the left and let the other walk off into the distance, do not follow.
so go back to the room with aunt seti and use the courtyard key on the door to your right. go through the door, and into the courtyard. nefertiti is by the fountain. she'll ask you to go get the letter that blew up to the foot of the statue above her. climb up the ladder on the left hand side of the door to the courtyard, and approach the fence.
you want to make sure that you have enough to fence in the entire area that you want. you also want to be sure you can afford at least a decent type of fencing. after all, cheap fence ideas don’t have to be low quality. they should still do exactly what you want them to do for your yard.
however, it is also important to remember that cost isn’t everything. a price that seems “too good to be true” may actually be too good to be true, with the low cost reflecting inferior ingredients and poor design. so if you’re wondering what to look for in an aluminum fence, search for an affordable product that still offers great quality.
thief is the "normal" style of play. enemies are more aware, things cost a bit more and arrow containers have fewer arrows in them. master is the hardest. there is a reason there is an achievement called "hard times" for this one. enemies are much more aware, arrow cases contain one arrow usually and things cost a lot more to buy from the store.