Please click on the links, give them a read, and share your thoughts in the comments.First is a post that I feel will help not get overwhelmed with the amount of info that is here on BP:https://www.biggerpockets.com/blogs/5868/52761-the-simple-guide-to-getting-started-on-bpThe second is a post that will help get you focused with your real estate investing goals:https://www.biggerpockets.com/blogs/5868/52743-im-new-to-bp-any-advice-would-be-appriciatedThe last one is a post that will help you choose an “investor friendly” real estate agent.

Very helpful to have a community of folks guiding newer folks along the way!

Please click on the links, give them a read, and share your thoughts in the comments.First is a post that I feel will help not get overwhelmed with the amount of info that is here on BP:https://www.biggerpockets.com/blogs/5868/52761-the-simple-guide-to-getting-started-on-bp The second is a post that will help get you focused with your real estate investing goals:https://www.biggerpockets.com/blogs/5868/52743-im-new-to-bp-any-advice-would-be-appriciatedThe last one is a post that will help you choose an “investor friendly” real estate agent.

This may help: https://www.quickenloans.com/confidence/guides/refinance/appraisals-underwriting

What you are looking for would guide what to do. 

That being said, I would only replace the windows if they were bad enough and I couldn't think of any other more valuable improvement to invest my money.

And that means your investment becomes more valuable over time.BiggerPockets (of course) is an invaluable resource in connecting to local investors and professionals, who can tell you a lot more about the market (local blogs, Cromford type reports, etc.).You'd be amazed what you can learn by reading the local news.

Dial for dollars until you encounter a local lender that can spell the words "delayed financing exception" without the use of google or a spell checker.https://www.fanniemae.com/content/guide/selling/b2/1.2/03.html#Delayed.20Financing.20Exception 

Please click on the links, give them a read, and share your thoughts in the comments.First is a post that I feel will help not get overwhelmed with the amount of info that is here on BP:https://www.biggerpockets.com/blogs/5868/52761-the-simple-guide-to-getting-started-on-bpThe second is a post that will help get you focused with your real estate investing goals:https://www.biggerpockets.com/blogs/5868/52743-im-new-to-bp-any-advice-would-be-appriciatedThe last one is a post that will help you choose an “investor friendly” real estate agent.

I'd suggest picking up Brandon's book "The Complete Guide to Managing Rental Properties."