We have done some exterior upgrades to the property (painted exterior, replaces a few pieces of rotten wood, demolished an old building), but the inside has not been "updated" for several years.

Would he be easy to replace with a market rate tenant?

I'm looking for someone to do general stuff like new floors, painting, fixing cement steps and replacing some baseboards. 

In occupied spaces, I will reuse the homeowners pieces if they show well by rearranging, removing and replacing where needed.

We did a full gut on it and replaced everything to the studs. 

hard to say, kimberly. you could replace the entire plumbing system and of course know it will work, as it did before, and then just move on. i wouldn't recommend replacing with copper again as it just become missing again. if the numbers still work after replacing what was taken, then do it and move on. if you can do it yourself, then even better yet

Currently I started with buy and holds in order to supplement and then eventually replace my job income.

My goal is to buy and hold to the point where my wife and I can replace our incomes.  

We bought our first 100+ year old house as newlyweds (read: naive children) in 1998 and have lived in and renovated several since, selling for a decent profit each time and learning how to do things like remove milk paint, do plumbing and wiring, and jack up a porch to replace failing beams.

.$1150/month rent - about average for the area$67k left on a $73k loan @ 5.75%, appraises at around $90 (so 25% LTV) - $900 PITIcarpet will likely need to be replaced after this tenant leaves - had 2 large dogsall major appliances ~7 y/o and in good working orderI bought it in '09 - it was my first home purchase - and lived in it till summer of 2012.