bardzo proszę o pomoc

Yesterday I saw on the the notice board an interesting ad. I was looking a small flat with low fee and I made up my mind to break off that piece of paper. My present place of residence was in an old tenement. I needed a new place. It should be redecorated and furnished.

made up one's mind używa się do czegoś bardziej istotnego niż urwania kawałka papieru ;)))

My present place of residence was in an old tenement.

I was looking (tutaj brakuje slowa ) a small flat with (brakprzedimka) low 'fee' (to jest zle slowo) and I 'made up my mind' (jak pisze Aaric, tutaj to trzeba zmienic) to 'break' (you do not break off paper -you 'tear' off paper) off that piece of paper. My present place of residence 'was' (zly czas) in an old tenement.

fee - czy lepiej brzmi "low charge"?

My present place of residence has been in an old tenement.

Eh tam 'low charge'.
Napisz np 'małe, tanie mieszkanie'