Morris Invest informed me that they will not reimburse me.

However, if you do decide to manage the property, you should not receive compensation for your services as a manager.The easiest way to think of managing your account AND any property you buy is this: white collar activity is fine; blue collar activity is prohibited.For your plan, white collar activity would include: Managing your accountMaking transfersConsulting your accountantWriting checksPaying billsAs long as you are not reimbursing yourself for the above activities, you are fine.The same holds true for the properties your plan may own.

They are online as well, but they provide reimbursements for your ATM fees up to a certain point each month.Also, they have high yield/no penalty accounts where you can park your cash to earn a lot more interest than you can in a typical bank. 

Am I risking piercing the corporate veil if I use my personal card and then immediately reimburse myself from my LLC checking account?

Full reimbursement of the seminar was offered a few times throughout the 3 days.   

Mostly, it comes down to treating the LLC like a separate business.Have a separate checking account/credit card that is only used for the LLC.If you buy something in a personal account then make sure you fill out and retain a reimbursement form and then send the reimbursement from your LLC to your personal account.Keep track of any disbursements you are taking from the LLC.Make sure you are keeping an accurate mileage log. 

He actually fixed a couple of problems in the house and only asked to be reimbursed for the parts.  

He would also be responsible for reimbursing me for taxes, insurance and HOA.How do I put this together properly?  

We cleaned it up as good as we could and I'm sure it wasn't as dusty and dirty as they're saying it is but they're currently cleaning the unit up themselves.Do I offer to reimburse them so we can get off to a better start?

Let the tenant pay for it initially, and if mold exists, you can reimburse him and fix it.