Borrow triple for block of 4 units? Or a house?

What would seem like the better option to you:

1. Borrow $600K for a brick block of 4, 1 bedroom lowset units with carport on about 800sqm land in a growing area close to everything (including water, about 5-10min walk)? The current rental income is $600/week. I may need some guarantor from parents for deposit on this one. If I keep them rented I can make up the payments.

2. Borrow $250K (approx) and buy a 3 bed house on small block of land – possibly borrow up to $300K with rental income taken into account. Rental income anything from $180-$290 at a guess, depending on which property.

I do not have a lot of money saved but am desperate to get into the market – I know units are cheaper, but I think the land value long term would have better capital gain, which is why this block of units seems interesting…. Also I have the possibility of living in 1 and renting others if I need to? But they are 1 bedroom units which is not the best is it – harder to rent?

I have no idea which is best – I have been looking around for about 5 years, but only had ability to buy in last 2. Would really love to start this year!

Thanks for your help.
sal