Where to put WaitForChild in my speed and leaderboard scripts?

local id = 6588317

game:GetService("MarketplaceService").PromptGamePassPurchaseFinished:Connect(function(plr,ido,purchased) if purchased and ido == id then plr.Character.Humanoid.WalkSpeed = 30 end end)

game.Players.PlayerAdded:Connect(function(plr) plr.CharacterAdded:connect(function(char) if game:GetService("MarketplaceService"):UserOwnsGamePassAsync(game.Players[char.Name].UserId, id) then char.Humanoid.WalkSpeed = 30 end end) end)

(((next code)))

repeat wait() until script.Parent.Parent.Parent:findFirstChild("leaderstats") repeat wait() until script.Parent.Parent.Parent.Character

if not script.Parent.Parent.Parent.leaderstats:findFirstChild("Gold") then local gold = Instance.new("IntValue") gold.Name = "Gold" gold.Parent = script.Parent.Parent.Parent.leaderstats gold.Value = 50 end type = "Gold"

bot = script.Parent.Parent.Parent.Character human = bot.Humanoid

cash = 200

function onDied() local killer = human:findFirstChild("creator") if killer~=nil then money = killer.Value.leaderstats:findFirstChild(type) if money~= nil then money.Value = money.Value + cash end end script.Parent.Parent.Parent:findFirstChild("leaderstats").Gold.Value = script.Parent.Parent.Parent:findFirstChild("leaderstats").Gold.Value + 25 end

bot.Humanoid.Died:connect(onDied)

(((next code)))

print("LinkedLeaderboard script version 5.00 loaded")

stands = {} CTF_mode = false

function onHumanoidDied(humanoid, player) local stats = player:findFirstChild("leaderstats") if stats ~= nil then local deaths = stats:findFirstChild("Wipeouts") deaths.Value = deaths.Value + 1

	-- do short dance to try and find the killer

	local killer = getKillerOfHumanoidIfStillInGame(humanoid)

	handleKillCount(humanoid, player)
end

end

function onPlayerRespawn(property, player) -- need to connect to new humanoid

if property == "Character" and player.Character ~= nil then
	local humanoid = player.Character.Humanoid
		local p = player
		local h = humanoid
		humanoid.Died:connect(function() onHumanoidDied(h, p) end )
end

end

function getKillerOfHumanoidIfStillInGame(humanoid) -- returns the player object that killed this humanoid -- returns nil if the killer is no longer in the game

-- check for kill tag on humanoid - may be more than one - todo: deal with this
local tag = humanoid:findFirstChild("creator")

-- find player with name on tag
if tag ~= nil then
	
	local killer = tag.Value
	if killer.Parent ~= nil then -- killer still in game
		return killer
	end
end

return nil

end

function handleKillCount(humanoid, player) local killer = getKillerOfHumanoidIfStillInGame(humanoid) if killer ~= nil then local stats = killer:findFirstChild("leaderstats") if stats ~= nil then local kills = stats:findFirstChild("KOs") if killer ~= player then kills.Value = kills.Value + 1

		else
			kills.Value = kills.Value - 1
			
		end
	end
end

end

function findAllFlagStands(root) local c = root:children() for i=1,#c do if (c[i].className == "Model" or c[i].className == "Part") then findAllFlagStands(c[i]) end if (c[i].className == "FlagStand") then table.insert(stands, c[i]) end end end

function hookUpListeners() for i=1,#stands do stands[i].FlagCaptured:connect(onCaptureScored) end end

function onPlayerEntered(newPlayer)

if CTF_mode == true then

	local stats = Instance.new("IntValue")
	stats.Name = "leaderstats"

	local captures = Instance.new("IntValue")
	captures.Name = "Captures"
	captures.Value = 0


	captures.Parent = stats

	-- VERY UGLY HACK
	-- Will this leak threads?
	-- Is the problem even what I think it is (player arrived before character)?
	while true do
		if newPlayer.Character ~= nil then break end
		wait(5)
	end

	stats.Parent = newPlayer

else

	local stats = Instance.new("IntValue")
	stats.Name = "leaderstats"

	local kills = Instance.new("IntValue")
	kills.Name = "KOs"
	kills.Value = 0

	local deaths = Instance.new("IntValue")
	deaths.Name = "Wipeouts"
	deaths.Value = 0

	kills.Parent = stats
	deaths.Parent = stats

	-- VERY UGLY HACK
	-- Will this leak threads?
	-- Is the problem even what I think it is (player arrived before character)?
	while true do
		if newPlayer.Character ~= nil then break end
		wait(5)
	end

	local humanoid = newPlayer.Character.Humanoid

	humanoid.Died:connect(function() onHumanoidDied(humanoid, newPlayer) end )

	-- start to listen for new humanoid
	newPlayer.Changed:connect(function(property) onPlayerRespawn(property, newPlayer) end )


	stats.Parent = newPlayer

end

end

function onCaptureScored(player)

	local ls = player:findFirstChild("leaderstats")
	if ls == nil then return end
	local caps = ls:findFirstChild("Captures")
	if caps == nil then return end
	caps.Value = caps.Value + 1

end

findAllFlagStands(game.Workspace) hookUpListeners() if (#stands > 0) then CTF_mode = true end game.Players.ChildAdded:connect(onPlayerEntered)--thanks for taking -pokemon3d1-

THEY ALL WORK IN STUDIO PERFECTLY BUT NONE OF THEM ONLINE???