The more attachment you have for your plants, the longer they'll last! Click here for a detailed explanation.
The pot for planting should be slightly larger than its size. If it is slightly larger and has drainage holes, it is OK!
You'll see more plants if you grow them in your favorite pots. They are still pretty!" is the first step to making your plants last longer.
IIt is described as a one-turn larger bowl, but one turn is about 3 cm. However, I don't think it is necessarily necessary to stick to "one size larger.
Choose a pot you like and plant it in good soil. It will increase your love for your plants. You will also have a wider choice of planting pots.