Unless the reason for not selecting you for employment is based upon some unlawful reason, such as your age, race, gender, religion or national origin, you typically will not have an actionable claim for non-selection.
If you can establish that you turned down the other job because you reasonable relied on the interviewer's statement that the "the job is yours," you may have some value in the lost income from the other job offer. Did you notify the prospective employer that you had relied...
The first thing to do is review your written lease agreement which should have information about when to provide notice of your intent not to extend the lease. You probably have to provide written notice at least 30 days in advance of your intent not to extend the lease.
The lease should also have a provision in it about when the terms of the offer to purchase. Otherwise, there is not much that you can do until August 31 comes and goes to see if the tenant moves out.
If he does not,...
This a difficult cause of action to prove. However, you may also have a claim for defamation and possible claims against the employer, not just the individual who provided the negative information. You should speak with an attorney to discuss all of your possible causes of action.
File a complaint for an eviction in District Court (Landlord/Tenant) for failure to pay rent. He is prohibited from "self help" eviction, meaning he cannot just put the tenant out and change the locks. He must go through a formal eviction.
There is usually no right to a performance review. If your boss is not receptive to your questions, is there someone else in the company, an HR director, or someone like that who you can talk to? Have you been denied any other privileges or benefits of employment?
You may have to file suit in Circuit Court to seek to enforce the ruling of the hearing officer. You may also have a claim against the union and possible for back pay. I urge you to find an attorney who can assist you with these issues.
Unless you signed a document authorizing deductions from your paycheck for damages, loss to the dealership or other costs directly caused by your work, they cannot take money from your paycheck. This is potentially a violation of the Maryland Wage Payment and Collection law. You should speak with an attorney to fully understand these deductions and whether or not you have any claims.
Your employer can choose to terminate you at any time. Giving a two week notice does not guarantee your job for the final two weeks. You are entitled to be paid any accrued leave time and other wages (bonuses, commissions, etc...) that you have earned prior to your last day.