Find your own advantages, cheerful personality, can you work under pressure? If you want to do foreign trade, you should also test your English reading and speaking skills.
The entry threshold for domestic trade is definitely a little lower, but the basic income is also relatively low. If you are engaged in foreign trade, you will meet more people from different countries and regions, have different languages and customs, have more pressure, master more skills, and broaden your horizons.
Consider the frequency of business trips. Most domestic salespeople go out to explore the market. If you can adapt to the new environment quickly, it is also a good choice. If you are a foreign trade salesman, you only need to attend some exhibitions, and the frequency of business trips will not be great.