It really depends where you are shipping to. Normally, most suppliers offer standard Aliexpress shipping (20-40 days) and ePacket. We always suggest going with ePacket because it takes an average of 15-25 days and services over 30 countries. Here is more information on what ePacket is.
Some countries will have longer shipping times even with ePacket available. In this case, I would suggest either owning it or consider selling to another country first. Customers are normally willing to wait if you are very clear about the shipping times and offer tracking (which is free with ePacket shipping). Here is a guide I wrote on combating long shipping times.
Otherwise, consider selling to the USA or other areas in Europe where ePacket is faster. You can always sell there first and then open up your store to your home country once shipping becomes faster there. This is my preferred method, but both have proven to work!