He/She always tries to take me to shops where he/she will be able to profit.
He/She only tries to take me to shops where he/she will benefit.
「自分の利益になる店に連れて行こうとする」= He/She always tries to take me to shops where he/she will be able to profit. / He/She only tries to take me to shops where he/she will benefit.
ボキャブラリー
利益 = profit/benefit
店 = shop/store
連れて行く = take
私は元の文章を英語に直訳しました。文脈が分かったらもう少し自然な言い方を教える事が出来るかもしれません。