you can have multiple inputs. and multiple outputs.

easy guide calculation for approximate tx byte size

(148*in)+(34*out)=
this is an estimator as the answer can be +-10 different

eg
1 input if you only want to spend the $1.75(0.00202562)
2 output to go to one destination and the rest back to you

(148*1)+(34*2)=216
it actually results in 226byte when you actually build the tx

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for instance if a 226byt tx costs 14cents
there is no point adding the other unspents (listed below) because
(148*2)+(34*2)= ~364byte = ~$0.23 tx fee
so why add in the 9cent unspent to just be eaten up in the extra fee by adding it.

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you also have
0.00003 ($0.03) unspent a76f50b8ab76d2a0880be73306753423cc0cbea9a3aca20f13dfc51bdf3d4954
0.0001 ($0.09) unspent 5b9044c61a5c3d68f5bef7b67093e4109264e4aba836204669da42d5caeb12a1

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lastly remember when you spend X to the destination you want. calculate whats left. then work out a fee you want to pay. take that from whats left and then put the remainder back to yourself