It may help if you define what you mean by a nanny. A live in person could cost you the same as you would earn as a teacher.

If you mean hourly paid person, finding someone with that flexibility may also be a problem.

You should also consider that many employers would not be willing to employ a single mother, finding work may be difficult. I have seen local teachers, recently married, asked to sign contracts that they won't get pregnant, I know this is not your case, but it demonstrates the employment environment.

Free shell fish will be over popular. I thought limited offers like that were stopped because of a stampede over cooking oil where three died, in 2007.
Basically, a Chongqing supermarket had 200 bottles of oil on special price. People were queuing from 4 am. When the doors opened a stampeded led to tragedy.
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@michael2015, good point about the possiblity of needing a mother board. Perhaps now I will go to a Huawei service agent as the thing is less than a year old.

From my own experience I can see the healthcare in the large cities has improved dramatically in the last 10 years. Not only access to newer treatments, and standards of wards, but there has been a huge government crackdown on pharmaceutical and other costs, as well as corruption within some hospitals. One of the big hospital heads in Kunming was brought to book a few years ago.

The CVV/CVC number will be the last 3 digits on the back.

I think the first 4 will be the last 4 of your credit card number. These are not part of the CVV number.