You can ask your local Aalim to help you to learn or to have useful websites.

Wassalam.

You need to seek advise from trusted experienced persons first. If after consulting them, you could not reach to a decision, you can go for Istekhara.

Wassalam.

Prayers behind a person who has negative opinion about any of the 12 Infallible Imams is invalid unless there is situation if Taqiyya then you need to repeat you Prayer. Wassalam.

https://share.google/clyO6g253gGDSfVHg

If you can not repair these holy texts and no one can use them, you can put them in the sea or river or water will.

Wassalam.

You should not travel with a non Mahram man, like your sister’s husband or a family friend.

Wassalam.

You can use your savings to pay your mortgage before the date of your Khums, then when your date of Khums, you will have no savings to pay Khums from. But if your date of Khums comes and you have any savings,bayou must then pay Khums of that savings. Wassalam.

We can not say that this story is authentic at all though it is claimed by non Muslims. The great prophet Jesus (AS) will never allow a non Mahram woman to touch him.

Stories claimed by non Muslims should never be taken for granted but we must search for authentic sources if any before accepting it.

Wassalam.

Every Muslim is responsible to avoid sinful acts as much as he can, but if he was been forced for something which he does not want, he will not be responsible because he was been forced despite all his efforts to avoid it.

Wassalam.

If you use that 10000 in repaying your loan and nothing remains from it, then no Khums on it as you already spent it is repayment of your loan. If you don't intend to use it in repayment if your loan and want to keep it as a saving, then Khums is applicable on it like any other saving.

Wassalam.

If the Khums of that amount was paid by your father, then no Khums again on it. Any amount which was Khumsable must be cleared by paying its Khums before distribution of the inheritance.

Wassalam.

Ehraam must be started from a Meeqaat like Masjid al Shajarah or Johfah or Qarn al-Manaazil etc. Ehraam can not start from the hotel which is not a Meeqaat. Wearing the Ehraam does not mean starting the state of Ehraam. You can wear the Ehraam in the hotel then go to the Meeqat to start you Ehraam state by Intention Niyyah of the Ehraam and reciting the Takbiyah which is :لبَّيكَداللهمَّ لبَّيك لبَّيك لا شَريكَ  لَكَ لَبَّيك إنَّ الحمدَ والنعمةَ لَكَ والمُلك، لا شريكَ لَكَ لَبَّيك  Labbaykallahumma Labbayk, Labbayka Laa Shareeka Laka Labbayk, Innal Hamda Wanni’mata Laka Walmulk, Laa Shareeka Laka Labbayk.

Wassalam.