If you want to be generating leads from a website, SEO will help with credibility and long term visibility, and an attractive website will also help with building credibility and trust too.

Building the right team is a great first step—wishing you both success in finding your first property in Baltimore.Welcome aboard and best of luck investing!

(do not trust me to build the house, but I do know how to qualify you FOR the house.)

Consider an accessory dwelling unit (ADU): If your property allows for it, building an ADU (like a small apartment or guest house) can provide a separate rental unit while you live in the main house.2.

Also, would this loan help build my personal credit, or would it only report to business credit bureaus under my LLC?

There are a lot of ways to invest in RE and each requires building necessary skills.  

My plan was to purchase a lot and build a foundation, bring in a doublewide/manufactured house. have it placed on foundation and have a structural engineer reclassify it as fixed real estate. then, I would refinance. 

These markets feature turnkey properties, such as new builds or fully rehabbed homes that are tenant-ready, with systems that still have about 10 years of life remaining and property management teams already in place.

You have to know the market before you build a plan and I don't think this market supports your intended plan.

It looks like you are doing an affordable build based on the cost but hard to say since you didnt provide info on the build itself such as square footage and finishes.