Are they better to hold and invest than Bitcoin?
Hold altcoins? Definitely not.Invest in altcoins? Depends on the time frame. Altcoins are known for getting pumped and dumped, all the shitcoins you mentioned here have had big pumps in the past and those who were capable of catching the pump early and were wise enough to jump off at the right time without becoming bag-holders have made a lot of profit.
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Investing in bitcoins is better than spending money on a lover but it sounds ridiculous but it is true.
That's such a weird thing to say 
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So I say investing in bitcoins is better than investing in other fields. Bitcoin is the best.
It depends on the "field" and what you want out of an investment. If it is maximum profit, bitcoin is not the best since there are a lot of other ways to make a ton of profit on your money even though bitcoin's long term profit has been fantastic.