At this time - its not that easy to buy a coin. One need to have a good decent investment and also knowledge to keep a check and balance on the coins.
I think before investing in coins - one should do a through research on what to do and what not to . . . Otherwise LUNA too was a big setback for the buyers.
You don't have to set like that as it seems it's really hard to buy a coin. He said that, you should buy bitcoin with your extra funds and that's not hard of doing it.
In most countries, there are bitcoin sellers and exchanges are accessible unless you really are from a country that has prohibited access to most exchanges.