Even if HCD states that a city is not in compliance with the ADU rules, if the city ignores that direction and collects the fee HCD appears to do nothing. 

I purchased the property with cash, and am 100% fine to wait the 6 months and collect pure cash flow if I have to, but I have seen numerous stories in the BP forums of lenders that do not have the seasoning requirement.

I use Apartments.com to advertise properties, do background and credit checks, and collect rent.

You can still house hack, but you would want a partner or roommate also to be in your unit so you could collect "rent" or at least have the convenience for your partner during times when you are deployed.

. $1805  rent +$25 trash collection fee so $1830 per month.

Any property managers that know what areas are decent to live and collect consistent rents?

You are not going to live on the coasts and whine about your property manager and collect your rent remotely every month.If you try to hotdog it, you're going to get screwed so hard you'll walk funny for the rest of your life. 

I hired a landscaper to keep it clean and I collect the rent. 

Do I have any options or do I basically have to wait 10-14 days to meet with the tenant, get them in the unit and then collect a prorated rent? 

We in return brought value by filling the vacant space to collect an additional $1700 in space rent.