Are there any good suggestions for trading platforms that would be good for starting with small investments? Such as 150$-300$ a month?
why don't you try to check at the coinmarketcap the top 5 exchange site platform. Then, once you find out those platform I can assure to you that
you are in good exchange where you can start trading even for a small capital investment, actually 150$-300$ is enough for a starter.