Forming an LLC is a good idea and can be appropriate in many REI situations.How the LLC is setup and how you choose to be taxed can vary based on what type of REI activity you are engaged in.I would suggest you employ an attorney to setup your LLC.

If you're just practicing, you can either use the quote from other nearby (comprarable) properties you've previously analyzed, or take the great advice of @Dan Maciejewski and apply a fixed multiplier to get a rough number that's close enough.It's mainly when you're running financials for actual deals, and therefore must get it right, that you'll need to engage an insurance broker's help.

I would start there before engaging an expensive land-use attorney. 

Let's engage in thought-provoking conversations, debate ideas, and offer advice and guidance to one another.

For me, a reliable tenant is someone who:Has stable employment in a market segment that is very likely to be stable or improve over timePays all the rent on scheduleTakes care of the propertyDoes not cause problems with neighborsDoes not engage in illegal activities while on the propertyStays for many yearsOnce identified the segment I wanted to occupy my properties, I then determined what and where they were renting.

Most often garnishments and liens don't work or work fast, so the best remedy is often an agency that can constantly engage the debtor and commit them to a repayment plan.

A dealer is someone that is in the business of doing rehabs and flipping which insinuates you do engage in the activity regularly and continuously and there is some level of volume.  

I don't know anything other than what you posted, but it may be worthwhile to talk to a financial planner first, then identify what tax related professionals to engage based on you needs. 

Brokers.Tenant represents that Tenant was not shown the Premises by any real estate broker or agent and that Tenant has not otherwise engaged in, any activity which could form the basis for a claim for real estate commission, brokerage fee, finder’s fee or other similar charge, in connection with this Lease.22.

They can provide insights, access to listings, and assistance throughout the buying process.Attend real estate networking events, join industry associations, and engage with other investors to expand your network and learn from experienced professionals.Perform Thorough Due Diligence:Conduct a comprehensive analysis of any potential property.