Preparing for ‘No buy/No sell.’

In preparing for the time of ‘no buy/no sell’ for those walking in obedience to God’s truth, which of these do you know how to do?
Although some may not apply for your own lifestyle choices, most are very important skills to have. Plus equipment to carry them out.
Although I do know the basics in car maintenance, it is not my strength (change oil, change tires, change spark plugs, etc). However, I have done all the others, even rendering fat (ONE time). <G>
Here is an excellent article on the topic.
For more on the topic of the ‘mark’ of the beast vs the ‘seal’ of God, check here. And here.