Because they run on percentages instead of being paid by the hour?

What rate percentage drop would justify executing a refinance to lock in a lower interest rate in your professional opinion?

An assumed mortgage that is 2-3-4 years into the payment schedule, has the additional incentive of a greater percentage of their initial payments paying down a greater principal portion. 

Las Vegans Paying Highest Income Percentage on Rent: Nearly 58.3% of renters in the Las Vegas area spend more than 30% of their income on rent, considered "housing-cost burdened."

Many investors offer residential 1-4 unit financing but a vastly smaller percentage offer 5+ units.

Vacancy rates:The overall office vacancy rate in Tampa is 9.4%, which is below the national average of about 13%.For residential properties, the homeowner vacancy rate is 1.0% and the rental vacancy rate is 4.2% in the 33619 zip code.Days on market:Specific data on days on market wasn't provided for Tampa overall, but the median days on market for homes is 89 days according to one source.Promising areas:The Westshore and Downtown Tampa submarkets have seen increased occupancy, with an uptick of 175,000 square feet over the past year.The Westshore submarket has seen its vacancy rate drop by 100 basis points year over year to 12.5%, hitting a four-year low.Rental property insights:Tampa has a high percentage of renters, with 53% of the population renting rather than owning homes.The median rent price in Tampa is $2,941.Market trends:Tampa's real estate market has seen strong appreciation, with a total appreciation of 129.39% since Q1 2000, at an average annual rate of 4.41%.The city is experiencing population growth and an influx of young, educated professionals due to increasing employment opportunities.Regarding your interest in a brand new construction SFR with live and work usage, this could be a promising investment given Tampa's growing population and the trend of people seeking to live close to their workplaces.

Surprisingly they have all gone up a healthy percentage since I bought.

The percentages should mirror most other builders as it covers 4 fiscal periods:Without including any financing expense, they are at 82% (total materials and non materials cost), which obviously makes your financing rate and project duration, vital issues to get a good hold  and control of.

Simply, a percentage of the profits; so only AFTER the investors get their investment back + a “preferred” return of usually 6-8% annually.Here is how our equity (as opposed to our debt/loan/notes) syndications are set upwe as syndicators get a either a 3% broker fee or 3% acquisition fee at purchasewe get a management fee competitive with outside managementwe get 10% of gross rents as ASSET management feeonce investment is liquidated we receive 15% of proceeds ABOVE or AFTER investors receive their capital returned plus 10% annual calculated income including any distributions of earnings. 

One of which you mentioned, PM Fees, but it will also have other expenses such as repairs, improvements, utilities, etc.Therefore, your cash-flow will be several percentage points in the negative.Should you invest?