How would they build a strong reputation? 

You don't want the reputation of the DEA or local authorities visiting your apt every weekend.

***As always check with a reputable real estate attorney*** before executing contracts to make sure you don't have loopholes that might wreck you - and you could lose whatever amount of money the other party reasonably sues you for.

I will check out those list and suggestions.I'm on the lookout for a reputable Houston wholesaler or realtor to work on buy and hold property.

There is a good blog post about reasons to use property management companyFive Good Reasons to Use a Property Management Companyhttp://www.colonyamericanfinance.com/five-good-rea...But the question is, how do you find...

Assumption 1:  If the tenants pay their own utilities the expense ratio should be around 30% (in a well run park)Assumption 2:  if the owner pays the utilities the expense ratio should be around 40% (in a well run park)Assumption 3:  Do math for a 10 Cap-it works for any Cap rate you choose including  positive or negative*************************************************************************************************************************Net operating income=gross income - expenses Using the expense ration of 30%  => Net Operating Income*(1-expense ratio)=> NOI*(1-.3)Therefore:NOI/yr=(#lot)*(rent per lot per month)*(12 month per year)*(1-expense ratio)Cap Rate=NOI/Purchase pricedo some 8th grade algebra followed by some 6th grade math (dividing with a decimal)Purchase price=NOI/Cap rateTherefore:Purchase price{tenants pay utility}={#lots*Monthly Rent*12*(1-.3)}/0.1 =>84* lots * rentPurchase Price {owner pays utilities}={#lots*monthy rent*12*(1-.4)}/0.1 =>72*lots*rentThere are the 72/84 numbers derivedIts not rocket surgery.  

Yes, Jimmy, have a reputable RE Attorney review the contract.

Realtors live and die by their reputation so each deal can be a permanent risk... 

At this point we're trying to choose which market to invest in.  

Reputable contractors will warranty materials they provide for a specific period of time, as required by CA state law.