Second home as an investment property but too high interest....

[Yangjee Sherpa]

Hello Biggerpockets!

I am looking for a second home as an investment property with my partner. I already have my own home purchased in June 2016 and living in it ever since. The bank says we have to do at least 20% down and the interest will be up to 6% although market rate is between 3.5% to 4% due to an investment prpperty. We got the approval letter anyway for that high interest. My question is do you guys think I should go ahead for this rate, or I could buy the second house and live in there and rent my old house. Thank you in advance.