Daily trades and buying small altcoins are not going to help you make it big
A thing to consider is the volume, Making small trades multiple times per hour on a low margin could be way more profitable the 1 large sum that wont get sold as easily.
Exactly. Like Warren Buffett says that small gains combined makes big gains. This is good to know you are making at least small profits. If you are looking for big gains, you need to reconsider the coins you have. For example if you are facing problem with making money in altcoin you have, better switch to Bitcoin which has been showing some good gains.