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?

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

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

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

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 )

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

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

Are there are specific questions I need to ask before buying an option?

Are there some practically mantras to identify when to buy or write a strangle strategy in the F&O market?

Blackstone is buying a stake in Essel Propack. Will that solve the cash flow problems for the Essel Group, which has delayed the FMP redemption by mutual funds?