Standard dimmers will be underloaded in most LED applications, exacerbating flickering and strobing effects, which, in turn, can drastically shorten lamp life.

You'll also need to watch your back in neighborhoods that aren't too fond of bandit signs on public parkways.

You need to be careful to comply with the real estate advertising rules in your state and watch out for obscure license law violations.

I've watched youtube, and read blogs, but finally decided to jump in.So one of the things I've been doing is looking over the MLS, and specifically trying to find properties that already have tenants, and are within my price range (leveraged cash deal). 

Watching to hear recommendations.

-Since you have to pay for application fees $90 in our case (non-refundable ) plus a $250 holding fee (non refundable if approved and refuse to sign the lease ) I do not think it makes sense to apply for several locations.

Like any strategy, you can't become proficient at it by reading a post or watching a video.

I am a noob here and starting to learn about Real Estate Investing in Rental Properties, and had a couple of questions on how people typically crunch their numbers when analyzing a deal.I watched a replay webinar from BiggerPockets here and saw that when using the Rental Property calcualtor on the site, they usually calcluate in Vacancy, Repairs, and CapEx into the expenses.I am reading that people usually aim for 12% or more CC ROI and that would be considered a good deal.

I been listening to Bigger Pockets Podcast, watching their youtube videos, and reading up on the Ultimate Guide to Real Estate for Beginner book... anything else I should do? 

Watch transfer taxes based on PP.