I think it's a good idea to invest in altcoins because:
1) Bitcoin could be overpriced
2) Naive and sentimental investors
3) Low price of altcoin
4) Altcoins are not just coins
5) Altcoins are easy to mine
6) Some altcoins offer passive income

After the success of BTC, in 2018 trading in Altcoin become a safe investment. Just because BTC rate is stable so nobody wants to take risk. Following are the top 5 Altcoins in my interest:
- Coindash
- Hshare
- Quantum Resistant Ledger
- CounterParty
- ZILIQA

all the things that make my money always follow him, as well as altcoin who has a desire for economic and investment.
I recommend understanding every altcoin development in future projects, the team working in it and the prospect in the long run.

Bitcoin has very high fee and as altcoins you don't need to have much money so you can invest with small capital and get profit.

Investing in altcoins is without a doubt the best of the two options, to be honest I have never considered it to put money in gold as an investment when you put your money in gold what you are trying to achieve is to maintain its purchasing power you should use gold as a store of value not as an investment even if from time to time it can skyrocket and give you great profits.

I think it's worth investing in altcoins as an aggressive part! I think that some kind of little-known coin is much easier to grow several times than bitcoin

Yeah, investing in Real estate is something real and visible. The price is also stable. It is interesting when you have a big amount of money to invest in real estate. But, not all people can do it limited in the money funds.
On the other hand, investing in altcoin is fluctuating and it is risky. But, with the good strategy and timing, investing in altcoin can make us get big profits only on hours, days, weeks, or month. Additionally, many people can join investing in altcoin starting from the small amount, no need to have billion dollars likely invest in real estate. You can start with only $10 for the certain coins.

A very promising investment place right now, yes with altcoins. By choosing one or more altcoins that have superior quality and popularity as your investment, you can get your return on capital quickly. You can also benefit greatly from your investment here, besides your altcoins will be safely maintained. Because altcoins here are equipped with a strict security system, trusted, and confidential.

Some altcoins show a good price increase and therefore investing in them can give a lot more profit than buying bitcoin. I have been waiting for growth of KNC and yesterday it happened and now I am studying prospects of other altcoins for growth in the short term.