sometimes I waste shopping

Topic Sentence:

‧TV shopping program is one of the most popular methods of shopping today.
Supporting Sentence:
‧TV shopping is attractive because I can buy things conveniently going out.
Supporting Sentence:
‧I watch TV shopping channels in my free time and I am easily tempted to spend money.
Supporting sentence:
‧But the products from TV shopping is not necessarily cheap and good. The consumers tend to be cheated by the sales pitch.
Concluding sentence:
‧What is worse, I find the costly products is unnecessary at all, which is really a waste.