I sent my 1099s and I understand when they are needed now. 

If you do decide then investing in area that you are familiar with like Idaho might be a good idea as you seem to understand the market.

My biggest concern is around not understanding the process and costs for purchasing a mobile home, having it shipped and fully setup on an existing lot.

Understand the fees involved and calculate the total cost for an entire year of management so you can compare the different managers.

Does it seem like they understand the market, the short-term rental market specifically?

Hi, we are looking to purchase and manage some rental properties in merced area in California. i am looking for a real estate attorney recommendations who understands local tenant/landlord laws. who can help with forming property management agreement and review leases.

If the seller sends the buyer a contract and the buyer signs this contract without making any changes, the contract is accepted by both parties.While it's understandable to rely on information given by professionals, it's important to be cautious with legal matters like real estate contracts.

While it offers a valuable starting point for understanding the market trends, it may not capture the full range of price fluctuations within that area.

I am using formulas found on BP and I understand they're just a baseline but it will take some time to learn how to squeeze those numbers depending on the deal. 

They are entirely workable, but you really do need to understand them to approach this topic with the right mindset for success.The best way to truly get educated will be to get on the phone with an expert like @Dmitriy Fomichenko or a similar provider of checkbook IRA programs.