You could get a real estate license if you have little money or if you do get a job right out of school you could buy a property that allows you to rent out space (either a separate unit or bedroom(s) )  AKA House Hacking.  

It protects them and allows you to keep your holding costs down a little.I've never done it, but I've arranged financing for it a couple times and had the deal fall through (knock on wood).Beset of luck!

Unless you come in with a great loan like VA that allows you to put nothing down and get a low interest rate.

Cost prohibitive and no linen service) and claiming per the condo declaration the developer has exclusive rights to housekeeping since it's a condo hotel and will not allow us to hire cleaners given his exclusivity. 

Then, jump on your property manager for allowing this situation to happen.  

Can anyone recommend lenders who will allow for getting a mortgage in the name of an LLC for purchasing a mixed use building in Philadelphia.

In general the IRS does not allow married couples to deduct home mortgage interest on loan balances above $1,000,000 ($500,000 for single).  

They also have a free service called rentalizer, that allows you to enter any address and if they have info for it, they can guesstimate how much you may get as a AirBnB landlord.There are a lot more sources and blogs dedicated to this, so a search on google for "airbnb best markets" can give more details.Hope this helps!

Ozone is an unstable and breaks down other organic molecules and makes the smell disappear.

Assuming you live in Sacramento, CA and your lease allows for it, I would be airBnb'ing the sh*t out of that apartment.