Zikr & Dua

Q: There are some Durood that I recite that have "Yaa Rasullulah" in it. Is it permissible to recite these Durood?

Q: Please recommend a dua to recite when entering and leaving our business.

Q: Is waseelah haram in Islam. If it is permitted then kindly, give the proof. Some People believe that prayer is accepted immediately if you give reference in dua like: O God ! Accept my prayer due to prophet Muhammad (Sallallahu Alayhi Wasallam), as he is the beloved one. Why most Muslims do this as nothing is required BTW god and his slave. We can communicate with god directly. Give me proofs or else I can not believe in such things as I am confused. Dr Zakir Naik explained that it is haram.

Q: When is/are the ideal time(s) of day to read the following three times and what is the virtue in doing so? Subhan-Allahi wa bihamdihi, `adada khalqihi, wa rida nafsihi, wa zinatah `arshihi, wa midada kalimatihi?

Q: Is it better to use a tasbeeh when making zikr compared to the electric counters available nowadays?

Q: What is best form of worship? Some hadith I see the prophet saying zikr is best but some hadith i read the prophet saying dua. I need help. Thanks

Q: When making the short duaa immediately after the fardh salaah, should the munfarid do so with the hands raised?

Q: Please can you kindly give the meaning of the dua which starts as:- Allahum maqdif fee qalbi rajaa'ak wakta' rajaai amman siwaak.

Q: Is the recital of Sallallahu Alayhi Wasallam a darood?

Q: Can one recite Qur'anic and Masnoon Dua's as a zikr when walking, sitting, lying down, working, driving and so forth? Like, "Laa ilaaha illaa anta..." or "Rabbana Atina ...."?