Not much to build a playground for children in the coast of a hill or even harder a pool..
If the slope adds a geographic orientation unhappy agraveaza.Nu things too you will have sunshine, if the position is the north.
The shortcomings are accentuated if abundant vegetation around the house grow tall and large (if your fence is next to a forest , for example) . Neither the depth groundwater should not be indifferent ! If the water is too high , you will not be able to do gym ( or cellar ) that you intend to send in the basement. The situation worsens if the water table is polluted (unfortunately it increasingly more commonly these days) .