Is a buying Strangle strategy same as buying Straddle and when it is used?

Is a strangle strategy same as the straddle strategy or is it conceptually different in terms of the trader view?

Is buying a put option the same as selling the call option on a stock or index?

Are the straddles the same as strangles and can we also use these strangles for directionless markets?

I plan to buy gold jewellery for Dhanteras. Are there any points I must keep in mind while buying the same?

As an option buying strategy, what would recommend to buy; ITM options, ATM options or OTM options?

Are these exchange traded funds some kind of futures trading? Like are the Nifty ETFs the same as buying a Nifty futures contract?

As we see world is moving from capex based model of buying cars to opex based model of on-time cabs. Should the same should be repeated in case of homes? (Based on NPV should we buy home or rent )

I am a first-time home buyer. Are there any tips for a hassle-free home buying process?

I have been planning to purchase a child insurance plan for my daughter. Are there any factors I must keep in mind before buying a plan?

How does demat make buying and selling of shares easier?