Feel out your assets and then expand after you have a more than a year under your belt. 

Get some deals under your belt first if you don't have them.

When they moved out I upgraded the 6-8ft old 1980's electric convection baseboard units with individually double poled thermostated 240V wall units with blowers.

I am a lot further along in my education than when we last talked and I am very close to having the tools in my belt that I need to start landing deals.

As we get more experience under our belt, though, we may utilize leverage conservatively to grow our portfolio faster.  

But a belt sander might work even better if there's a lot of sanding.  

One in the 24x24 kitchen & larger one in the Living room with ceiling venting to a ground floor master & en-suite.Our tenants LOVE the pellet stoves & rarely use the steam heat.Yet after 8 years I just had the following repairs (parts from http://www.stove-parts-unlimited.com)Convection Blower $185.00, Feed Motor & Spring Assemblys $385.00, ThermoCouple $78.00, ThermoCouple $cover 24.00....Total $672.00

I'm a full time investor..with yes - one- rehab under my belt.

I also have a spare magazine and a belt holder, although I don't always carry it (how much crap can I carry).

I have mentored many newbies and they are all overly anxious to get that first deal under their belt.