So updated info: The Carquest business we were going to buy is not going to work, the corporate has a big problem with calling people back who want to pay them for a business.

Can an Llc or corporation qualify as a first time home buyer or does it have to be a living breathing person?

I can see in places like CA where they might be more popular but on entry level to mid level houses many will not want to spend the money.My picture and video guy does mainly weddings now as his bread and butter and corporate company pics to use on marketing materials and websites. 

Over the Last 2 years I have become increasingly interested in the opportunities that real estate can provide for me to get out of the corporate rat race and doing something more freeing. 

You better put this in place before you get in trouble and get sued, after...no point in closing the barn doors after the horses escaped.An LLC is a legal concept, with no tax advantage - you can have it treated as a disregarded entity for tax purposes, or a S-corp or C-corp (but you don't want to hold real estate in an S-corp or C-corp).If available to you, you should look into Series-LLC for the asset holding entity.

How do you charge a corporate client to lease a SFR for an employee's family?

I’ve read several books on taxes, starting corporations and investing in RE, but still has that voice inside of me that’s affecting my confidence.

Lots of people that own and operate house flipping business opt to structure either an S Corp or LLC taxed as an S Corp, but you have considerations like drawing a "reasonable salary", self-employment tax, etc. 

Owning-rentals-s-corporation=mistake.

An LLC can be taxed as a partnership (if you have multiple people in partnership) or corporation.