before investing you must first set which investment you will choose, long term or only short term? but with money 5k will be better for long-term investment because it can provide 10x or 100x returns, if you are still confused about investing then try opening coinmarketcap and choosing top altcoins not of defi projects
it is better to stay away from defi, in my opinion it's just hype that will be easily manipulated for pump and dump. if for the long term, BTC and ETH can be good options.
There are so many new projects nowadays, but most of them just end up being nonsense, even scams, so it's best to do in-depth analysis if you want to choose a new project, try reading this article to avoid a scam project
https://cryptodetail.com/scam-crypto-projectif you lack experience, it is better to choose cryptocurrencies that are already strong in the market such as BTC and ETH, even if there is a decline, it can bounce over time.
not all defi coins are bad, and not just hype, maybe you can be interested in investing in DIA coins, because they have many partners and they always provide updates about project progress, you can check directly on their telegram, to ask about their project, because at Telegram is very active in providing answers to members