If you do decide on taking the route of the altcoin to gain more bitcoins.
You need to make sure that you dont have to invest the altcoin with your own btc. Some people might come across as the dev alt coin as scammers.
Luckily there is a website last time I checked that they provide the service for naming the coin and the full package so the leg work is done.
Just need to figure out how to create the demand for your alt coin - if you still choose this path.
Keep close observation over the growing altcoins. Altcoins will be high only for certain term. Exactly predict the right time and do trading on corresponding altcoin. Invest the earned profit into the gradually rising bitcoin. This is the best way to earn through bitcoin or altcoin from my opinion.