They'll suffice, but take their names off of /r/Chian you fool! I will have my cyber police force wreck their servers posthaste.
Tip 1 - get a train ticket to Shenzhen and never come back. Seriously, this is the worst big city in South China.
...Otherwise, you really can't go wrong if you just make a point to say hi to every foreigner you see.
You'll have to pay a percentage of whatever you're sending as a fee if you do Western Union transfers. There's a maximum amount you can send at a time that I'm too lazy to google for you. Otherwise, just remember to send a conssitent stream hom elittle by little.
Avoid speaking Mandarin. If you speak Chinese, you are going to have a Chinese problem. Never criticize the glorious leadership of the CCP. Don't wear a Winnie the Pooh shirt. Remember that Taiwan, Hong Kong, and Diaoyu Islands all belong to CHINA. And don't ask about what's going on with the Uyghur people. Nothing to see there...