Some noob questions here regarding 1st pg.

step 2 - If ur meeting up with de seller....wudnt it b troublesome as u nid 2 bring laptop? Got any other ways 2 test dis? Juz askin...

step 4 - how 2 know whether de dirt is due 2 water or juz plain dust/dirt?

step 7 - if COD wit seller in restaurant, how 2 put volume 2 max leh....disturb others oni wor liddat if put speaker 2 average vol, enough ah?

Step 8 - I dun reli get dis 1 actually