Don't get me wrong; there are plenty of issues/problems/quirks that old houses have that new houses don't, and an old house can obviously have hidden problems and big repair/maintenance bills too...but, the point is: a brand new house is not a foolproof solution to repairs/maintenance (and in some cases, a brand new house can be a much bigger gamble than an older house).This is a particularly important lesson for inexperienced investors, who tend to be the most prone to "shiny object syndrome" (the tendency to let nice aesthetics distract from real, underlying issues).

“Don’t be distracted by criticism.

The listing stated if we put in 3k into each unit we could raise the rent $100 more than it is currently rented out for. 

Then watch the YouTube video by BiggerPockets own Dave Meyer where he gives specific data to show which markets are best for investing right now.Today's prices and mortgage rates make it tough, but there are still opportunities out there if you put in the work. 

First, I would identify what type of real estate you want to invest in, how much time and effort you are willing to put in, and what your financial goals are.

You just have to put in your lease tenants can not change or rekey locks.

you'll get out what you put in. 

Reading the description reminded me a bit of writing an essay back in school where I was trying to pad the word count and put in a bunch of superfluous words and sentences. 

Record keeping is essential since profit is what you paid plus what you put in (every receipt counts) subtracted from the sales price . . . . so the better your records are the more you can offset the sales price and the less you pay in taxes but without records, you have no leg to stand on

Put in the work.