Equity advice

[Patrick Kelly]

Hey guys I currently own a duplex that I bought 2 years ago with a friend in which we both live in a unit and split the mortgage so it works out great, we've done a decent amount of work to the house and learned that we have about 100-110k in equity, we've have been talking lately about possibly using the equity (heloc) towards the purchase of another multifamily, I know so people who advise against it because it comes with a variable interest rate, my question is because I have limited knowledge on this, should I use my equity to buy