Go to = Come. Greek. age. Imperative mood of ago, used as an adverb. Here and Jam_5:1.
such a = this.
and. Note the Fig, Polysyndeton.App-6.
continue. Literally make, or do. Compare Act_20:3. Figure of speech Synecdoche.App-6.
buy and sell = trade. Greek. emporeuomai. Only here and 2Pe_2:3. Compare Mat_22:5. Joh_2:16. This eagerness to travel for trade purposes is a prominent characteristic of the Jew of to-day.