1 BTC from 3.4 BTC is about 30% per year.
That is a very good return on investment.
I would only stake a little and not bet the house, pun definitely intended.
How much you should put in depends on your net worth.
The good thing about cryptocurrencies is that it accommodates small investers in the same way it does millionaires. The only difference is the size of the investment and the ratio.