Fragen über die Beispielsätze mit, und die Definition und Benutzung von "Buying"

A: And being scolded for buying too many purple carrots.

You probably know what "scold" means, but just in case.
"to speak angrily to someone, especially a child, because they have done something wrong
（特に子供）をしかる, ～に説教する"
https://dictionary.cambridge.org/us/dictionary/english-japanese/scold

A: "Buying it" here means "believing it". So it could be understood as "Stop with the excuses. I'm not believing you."

A: It means the value is lower than it’s price

A: You can no longer buy a house because you gambled your money away in the stock market.

stock market = share holdings in businesses

A: It means the company is very large and can buy a lot of product. Walmart and Costco have buying power. They can negotiate better deals with suppliers because they will buy A LOT.

A: I am buying this bag right now
I am buying ur car
I am buying someone’s phone

A: I'm not buying it. -means you literally not buying the item or you're not believing it.

She is buying some fresh fruits.
He is not buying that expensive shoes.

You're buying a fake product

A: Your question is a little unclear. Could you try again?

A: You want "I'm about to go buy some milk." This sounds the most natural.

"About" is "nearby", "around", "close". Used here like 次.
"Going to (go)" (行く) doesn't specify a timeframe. It could be now, or later, or much later.

今か = now
行く = going to go
今か行く= going to go ... now
今か行く= about to go

Also!
X "buying for"
O "buy" (I know what I want)
O "shopping for" (I'm going to browse around)

A: If you bought toys in the past, but do not remember doing so, that is "I forget buying toys".

If you intended to buy toys, but did not do so because you forgot, that is "I forgot to buy toys".

A: “I am thinking about buying a car” means that you still haven’t decided if you’re actually going to but it or not
“I am going to buy a new car” means that you have already decided to buy it

A: @utamayogiswara

Example 1: 'buying'

"I'm buying a mobile phone next week" - it means that you (certainly) will.

Example 2: 'to buy'

"I want to buy a mobile phone next week" - it means that you want to (but might not).

A: There is no difference in meaning, but we always say "forgot to buy".

Which one you can use is different for every verb. Some verbs can use either, for example, "like". Some can only use "to", like "forget" and "want".

It may be helpful to think of "forget to" as a single word.

A: A lot of places sell milkshakes, a lot of restaurants sell them like McDonald’s and other fast food restaurants, diners, and just a lot of restaurants in general sell them, and there are places like Dairy Queen dedicated to dessert foods, milkshakes a lot of times being one of the desserts

A: Thank you for buying me a drink.

A: I can’t afford to buy this phone

A: I want to buy things for the kitchen

A: you would ask the seller of those items for a "test drive"

A: Before buying a book, I like to flip through it to see what it is like.

A: Excellent😎. Oh yeah.

A: Both of the above responses are correct.

Plan to + 動詞
Plan on + 動名詞

Plan to buy = Plan on buying.
どちもOKです。

A: I keep forgetting to buy a notebook.