I would be a little concerned about hidden bombshells. 

@Joseph Cacciapaglia thanks for the gems 😃 I’ll add that to my checklist.

@todddexheimer , what a gem.

With the advent of the internet there are no hidden secrets, all businesses are copycat businesses and will follow what others are doing successful.

Planning to refinance primary residence, what options would be better in terms of low closing cost and optimal fee (if any)how much closing cost, hidden fee and other fees differs between no name lender VS big lenders like chase, well Fargo, BOA etc ?

The Doctor replies, "So don't raise your arm".The solution  to most problems can be found right in the problem...hidden in plain sight.The answer to your problem is simple. 

During this process we spec all finishes/fixtures/scope of work, and then provide a final "guaranteed" budget that will only change if hidden conditions arise (code/safety-related), scope of work changes (additional work added above the defined scope), or fixtures/finishes change (price will go up or down, based on the new selection and any re-work necessary).I strongly recommend you find someone with a similar process, who also freely offers up proof of licensing, insurance, 3-party reviews, and client references you can contact.Finally, if it's a long term play and you don't mind spending the money, consider the "phased" approach mentioned by @Nabil Suleiman.

A lot of gems here!

Suffice it to say that any gas utilization equipment found to produce elevated/unsafe levels of carbon monoxide in flue gas is normally considered sufficient grounds by the gas company to shut-off gas to the property in addition to 'red' tagging gas utilization equipment responsible until such time the condition is addressed and no longer considered a threat to the life and safety of the building occupants.CO Poisoning Goes Virtually Undetected in a Professional Office EnvironmentIt's a cold, sunny Saturday afternoon in February and I've been given a reprieve in the weather thereby allowing me to use an outdoor scissor lift to safely access/observe a flat roof 24-foot above the finish grade (pertaining to the property for which I have been hired to conduct a PCA) without having to contend with rain/snow and below freezing outdoor air temperatures preventing a visual inspection of the roof much less conduct a higher level due diligent assessment of package rooftop units since gloves cannot be worn as they tend to interfere in attempting to access hidden system components such as air filter elements, blower fan motor assemblies, serpentine tube heat exchangers, etc. typically concealed from view in conducting a baseline PCA.

If it's a place you and family would enjoy and can pay for itself then it's worth probably going for it assuming there are no hidden liabilities you have yet to uncover.