Equality in gifting to children

Q: My in laws have recently 'gifted' their properties to their children within their lifetime in a manner which has not accounted for their most dutiful eldest son, who has financed many cash injections of daily expenditures for his parents and siblings (education, travel, groceries, shopping) over a span of 3 decades such that these properties could be amassed has been exploited yet again. He sacrificed his education, his work shifts everything he wanted to achieve, whilst contributing to educating, marrying all his siblings from abroad and who are now settled abroad. This particular son is in major debt crisis due to a national recession. Despite this knowledge my in laws have dustributed their properties unfairly.

Dont children who are more needy, facing debt crises and are middle aged, unmarried females late thirties, or child who dont own any property of their own have more priority than children who already own investments and their own property?

How does this inequality in distribution be explained in Islam? Gifting is at the gifters discretion, but a parent continuously exploiting one particular child who has sustained their wellbeing, lifestyle, needs, all sibling responsibilities and ignoring 2 further other needy siblings isnt that haram?

Are parents accountable for such unfairness towards children?

Aligning oneself to a pious spiritual Shaikh

Q: A person values something wholeheartedly, without disturbing anything else seeking Allah's Protection and Help, he tries to act upon the faraaidh, the sunnah knowing Allah to Him Belongs all things and to Him is the Ultimate return. If one silently, carefully, tries to act upon the deen but finds it difficult to make that continous effort because of "disturbance" [not exactly sin] but his mind being interrupted by the feeling of lack of taufeeq and enviromental insignificance for the deen, like outwardly or inwardly sunnats, preferance for faraaidh, etc. How does one maintain his continuous flow of aa'maal if he feels such weak, that he is disturbed by slightest interruptions/disturbances of being put-off by sayings of people or enviorment or even himself? How does one overcome this, it seems as long as one has no disturbances at least for some time, only then he can penetrate the flow and continuity of aa'maal, his faraaidh [inward/outward] sunnats etc. So how does he do this?

Musaafir unsure if he will stay for more than 14 days in one place

Q: I have performed Hajj last year with my family and I have few questions. I forgot to check with any mufti before leaving but as per my calculation we stayed in Makkah before leaving for Mina (5th aug 00:00 to 19th aug 03:00) and I thought it was 14 days. As per my calculation we prayed Qasr salah.

Later I got confused and thought whether we should have prayed full as it could have been 15 days. Also, it depended on the moon sighting. After Hajj, I clarified with some mufti and he said it was okay and don't put your mind in stray thoughts.

I am confused since then and also repented to Allah to forgive if I did wrong. I am worried that I took my family and didn't guide them properly. Is Hajj affected with this or what we did was correct?